CHANGELOG.md

-Version 1.19 (not yet released)
+Version 1.167 (not yet released)
+-------------
+
+* Fix when updating exising phone numbers do not delete an existing when the parameter is not set. See !195
+* Communication: Send e-mail action: pass contactId to hook alterMailContent. See !194
+* New action. Contribution: Get by Membership ID. See !196
+* Fix for Action Validate Checksum of case client. See !198
+* Get State and Province ID - get by name OR abbreviation. See !199
+
+Version 1.166
+-------------
+* Fix for Contact: Get list of subscribed groups.
+
+Version 1.165
+-------------
+* Condition Contact is in Group works with dynamic groups as well. See !190
+* Fixed issue with add contact to group and issue with permissions. See !191
+* Fixed: Contribution: Create recurring contribution, two bugs causing next next scheduled contribution date to not be set. Strict type comparison causes failure and assumed date format incorrect. See !187
+* Fixed: Membership: Get by Contact ID to actually support optional configurations. Add parameter mapping for membership type. See !185
+* New Action to get Membership ID by custom field values. See !188
+* Added validation for e-mail is valid.
+* Add additional configurations to Membership: Get by Custom Field: added filtering by Membership Status and sort order. See !192
+* Disable permission check for Event actions: isWaitListEnabled, GetParticipant, GetParticipantById. See !193
+
+Version 1.164
+-------------
+
+* Fixed issue with create participant which creates line items (without a linked contribution).
+* Added condition: Contact is (not) in Group(s). See !186
+
+Version 1.163
+-------------
+
+* Fixed issue with array parameter contains
+* Added action: Participant add role
+
+Version 1.162
+-------------
+* Fixed: The action 'ContactDataById' does not offer output fields for custom fields that are defined for subtypes. (#61)
+* Fixed: CreateUpdateIndividual does not process an update on a shared address correctly. (#62)
+* Fixed bug in action Contact: Subscribe/Unsubscribe to groups.
+
+Version 1.161
+-------------
+
+* Fixed issue with custom fields and multiple options.
+* More refactoring of the Action: Create Relationship and Action: Create Relationship With Type Parameter. See !183 and !178
+*
+Version 1.160
+-------------
+
+* Refactor removal with backwards compatibility of the Action: Create Relationship With Type Parameter; by adding Type Parameter to Create Relationship Action. See !180
+* Updated action Participant: Create Participant Contribution to make use of price set options.
+* Removed obsolete explodes from GetMembershipByContactID action.
+* Add Relationship Permissions options to Create Relationship and Create or Update Relationship actions. See !178
+* Filter out null array values which may still exist in Parameter Bag arrays. See !181
+* Fix for #60: link contribution recur to a membership. See !182
+
+Version 1.159
+-------------
+
+* Fixed bug in Get Participant actions and multi value custom fields.
+
+Version 1.158
+-------------
+
+* Fixed price field values processing with Create Line Item and calculate participant fee.
+
+Version 1.157
+-------------
+
+* Add price field values processing with Create Line Item and calculate participant fee.
+* Fixed issue with action map value.
+
+Version 1.156
+-------------
+
+* Fixed issue with action: Stop Execution. Which did not behave correctly anymore.
+* Added configuration of actions for custom fields.
+
+Version 1.155
+-------------
+
+* Fixed issue with api verions 3 calls in actions and failure handling. See form-processor#84
+* Added preferred_language on Contact: Create or Update Organization. See !175
+* Fix for unintended custom field erasure. See #57
+
+Version 1.154
+-------------
+
+* Fixed issue with the action Participant: send confirmation e-mail. An activity is also recordedd for the email.
+
+Version 1.153
+-------------
+
+* Added action Contact: Create/update primary phone
+* Added functionality to to set the phone to primary in the Contact create/update phone.
+
+Version 1.152
+-------------
+
+* At registering on waitlist functionality to Create/Update Participant actions.
+* Add the parameter Fee Level to the actions 'Participant: Create/Update event registration' and 'Participant: Register contact for an event'
+* Add the parameter Register Date to the actions 'Participant: Create/Update event registration' and 'Participant: Register contact for an event'
+* Enable the clearing of a custom value with a parameter that has the value NULL.
+
+Version 1.151
+-------------
+
+* Contribution: Update made configuration parameters optional. See as well !104
+* Communications: Create PDF fix issue with php 8.2
+
+Version 1.150
+-------------
+
+* Fixed issue with update existing non-primary e-mail address.
+
+Version 1.149
+-------------
+
+* Fixed issue with saving mappings of type collection. Used in condition  Parameters are (not) empty.
+* Added validation: CiviCase Contact does not have role on a case
+
+Version 1.148
+-------------
+
+* Improved error handling.
+* Implement next_sched_contribution_date field on Create contribution recur action. See !170
+
+Version 1.147
+-------------
+
+* Fixed issue with Create or Update Relationship action.
+
+Version 1.146
+-------------
+
+* Fixed issue with generating PDF from action provider (and Drupal 10).
+
+Version 1.145
+-------------
+
+* Fixed issue with radio custom fields
+* Let the Other::ModifyDateValue give better feedback.
+* Added Contact Has Email condition. See !167
+* Added conditions Parameters match (case-insensitive) and Parameters do not match (case-insensitive). See !166
+* For option group configuration fields and parameters only active options are possible. See !168
+
+Version 1.144
+-------------
+
+* Added action: Contribution Link to Contribution Page
+* Fixed issue with Create Line Item Action. See !65
+
+Version 1.143
+-------------
+
+* Fixed action: CiviCase has contact role on a case
+* Added action: "Membership: Get by Contact ID". See !162
+* Added action: "Other: Format date value". See !161
+* Exclude deleted contacts when searching by Email. See !164
+
+Version 1.142
+-------------
+
+* Added action: CiviCase has contact role on a case
+* Added validation: CiviCase has contact role on a case
+
+Version 1.141
+-------------
+
+* Fixed issue with CiviCRM 5.72
+
+Version 1.140
+-------------
+
+* Fixed issue with CiviCRM 5.68 and newer.
+
+Version 1.139
+-------------
+
+* Added Action: Relationship: Create with one or more contacts
+* Added validators for Is Empty and Parameter Has Value.
+* Added Action: Activities: Create activities and assign to members of a group.
+* Added Action: Send email to a group.
+* Update GetEmailAddress.php: is_active does not exist for e-mail addresses. See !159
+* Add Action: Mailing Event: Get Contact ID from Mailing
+
+Version 1.138
+-------------
+* New action: Validate a checksum for the case client of a provided case id.
+* Handle zero values in CalculateValue and ConcatenateValues. see !155
+* Added action: Other: Combine Lists
+
+Version 1.137
+-------------
+
+* Fixed memory issue when downloading a large file.
+* Add Membership to Create PDF action and Tokens. See !153
+* New Action: ParticipantPayment: get by Participant Id or Contribution ID
+
+Version 1.136
+-------------
+
+* Fix for 'TypeError: count():' error in the SearchActionDesigner.
+
+Version 1.135
+-------------
+
+* New action, Stop Execution which can be used in combination with Conditions to cause the Form Processor to stop. See !150
+* Fixed action: Contribution: Update recurring contribution
+* Create PDF do not create zip when batch only consists of one item.
+* Added action: Event: Get availability information
+* PHP 8 in quick form templates
+* Removed check on related deleted entities. See #43
+* Added action: Participant: Calculate Participant Fee
+* Added action: Participant: Create contribution for participant
+* New action, Membership: Get type by ID. Required to get the details for a Membership Type. See !149
+* New action: CiviCase: Create or update a role on the case. Allows to omit permission checks and ensures that each role is created only once.
+
+Version 1.134
+-------------
+
+* CreateContribution now also takes Financial Type as parameter (For the configuration Financial Type is still required but will function as default).
+* Subscribe to mailing list, improve error reporting and parameter checking, consistent parameter label. See !147
+
+Version 1.133
+-------------
+
+* Fixed issue with action membership extend.
+
+Version 1.132
+-------------
+
+* fix notice in parseRawAmount
+* Added action: Membership: Extend or Create.
+
+Version 1.131
+-------------
+
+* Reduce API calls for the FindExistingPhone... and add limit 1 to the civicrm_api3 getvalue API calls. See !143
+* Add num_terms to CreateOrUpdateMembership actions. See !144
+* Provide Action Contribution: Create recurring contribution - adds Payment Token ID parameter to allow saving of a Payment Token. See !145
+* Provide Action Contribution: Update recurring contribution - to update details of an existing recurring contribution. See !145
+* Provide Action Payment Token: Get by Payment Processor - to get a Payment Token for a given Payment Processor. See !145
+* Provide Action Payment Token: Create or Update - creating or updating Payment Token. See !145
+* Added action Campaign: Create
+
+Version 1.130
+-------------
+* Add check for optional Organisation Name and Household Name to the CreateUpdateOrganisation and CreateUpdateHouseHold actions. See !139
+* Small bug fix. Email is not valid as a parameter type. See !141
+* Add "external_identifier" field to contact create/update actions. See !142
+* Added Metadata to actions, conditions and validations
+
+Version 1.129
+-------------
+
+* Added action 'Activity: Get Most Recent Activity By Custom Field'.
+
+Version 1.128
+-------------
+
+* Added action 'Contact: Update Profile Photo'
+* Reworked the action 'Campaign: Get by ID'. See !127
+* Added action 'Other: Round Number'. See !136
+* Changed Created or Update Membership actions: status should be optional configuration, not required. See !137
+* Fixed issue with create and update address. See !138
+
+Version 1.127
+-------------
+
+* Fixed issue with action Activity: Upload file to custom field.
+* Add Action: Contact: Add to multiple Groups (with list of group IDs as parameter). See !135
+
+Version 1.126
+-------------
+
+* Compatibility with CiviCRM 5.45
+*  Added CiviCase: addRole action
+*  Add support for custom field type EntityReference. See !119
+*  Add action to swap participant
+*  Add action to add notes to entities
+*  Add action to find event by custom field
+*  Add action to concatenate values
+*  Add action to sum up to 6 fields
+*  Reworked action: 'Other: Calculate value' does not rely on `eval` anymore.
+*  A generic approach to check the is_deleted flag see MR !125 and issue #38
+*  Bug fixed, Create Contribution With Parameters action the Is Pay Later parameter was incorrect, see MR !128
+* Contribution: Create (with parameters), provide parameter to record the Contribution Page ID for the Contribution . See !130
+* Create Update Membership and Create Update Membership Type, provide Membership Status configuration. See !132
+
+Version 1.125
+-------------
+
+* Add: Action to get information about a file.
+* Add: Action to export a file (or multiple files into one zip)
+* Add: Contact: Find entry of a custom group with multi values
+* Add: Contact: Edit or create entry for a custom group with multi values.
+* Add 'Other: Increment integer value'
+* Add 'Activities: Find similar activities'
+
+Version 1.124
+-------------
+
+* Add "Campaign: Get by ID" action. See !115
+* Add "Contribution: Send confirmation / receipt" action. See !116
+* Changed configuration of Phone: Phone type to be not required anymore. See !114
+
+Version 1.123
+-------------
+
+* Fix Other: Map Value action - when the result is a single value, do not return an array, just return the value. See !112 and #36
+* Fix Action "Address: Get country or state/province from ID" crashes due to incorrect parameter usage. See !113
+* Fixed issue with condition contact has tag.
+
+Version 1.122
+-------------
+
+* Enable CiviCase:Update and CiviCase:Create to update case type.
+* Contact: Create or update Organization expose fields: Legal Name, Nickname, SIC Code. See !103
+* Contribution: Update, provide Configuration parameters for Financial Type, Payment Instrument, Contribution Status and Is Pay Later. See !104
+* Contribution: Create Line Item, add financial items for the related Contribution. See !105
+* Add Payment action to provide partial or complete payment for a Contribution. See !106
+* Link Contribution to Membership action should set the Skip Line Items parameter, so that Line Item actions can be responsible for creating the Line Items correctly. See !107
+* Two changes to the CreateLineItem action: 1) skip creating the Line Item if the Unit Price is zero and 2) provide the ability to set the Financial Type for a Line Item. See !108
+* Contribution: Create, provide parameter to record the Contribution Page ID for the Contribution . See !109
+* Fix of AbstractGetSingleAction to ensure, that for custom contact references the id instead of the contact name is returned.
+* Replace deprecated `CRM_Core_OptionGroup::getValue` in the send e-mail functionality. See !111
+* Added Phone Type to create/update contact actions.
+* Added CC/BCC to parameters of Send e-mail and Send PDF by E-mail actions.
+* Added action get message template by ID
+* Use PDF Format when merging multiple pdf documents into one.
+
+Version 1.121
+-------------
+
+* Create Contribution actions, provide option to create a "Pay Later" Contribution by !102
+* Added framework for validator actions.
+
+Version 1.120
+-------------
+
+* Sets the CiviCRM default Priceset for the line item, if not already set by !100
+* Work on PHP 8 and PHP 7 compatibility.
+
+Version 1.119
+-------------
+
+* Fixed regression bug from: optionValueToLabel action incorrectly returns an array when single parameter is provided by !91
+
+Version 1.118
+------------
+* round amount in amount parser
+
+Version 1.117
+------------
+
+* Added delete case action.
+
+Version 1.116
+------------
+
+* Added configuration option to set bulk mail to Create contact actions.
+
+Version 1.115
+------------
+* add help text to format individual name, parse raw date and parse raw amount
+* add Contribution:Invoice action. To be used in combination with the action 'Communication: Create PDF and send by e-mail'.
+
+Version 1.114
+------------
+* change format individual name with test results AIVL
+* fix text label in action for country iso code
+* format phone allows + in first character
+
+Version 1.113
+------------
+* fix format individual name for more name parts
+* output format phone to string so preceding 0 does not disappear
+
+Version 1.112
+------------
+
+* add contact action to format individual name - fixes #32, funded by Amnesty International Vlaanderen
+* add contact action to format phone string into numbers only - fixes #33, funded by Amnesty International Vlaanderen
+
+Version 1.111
+------------
+
+* add generic action to parse raw amount, fixes #30, , funded by Amnesty International Vlaanderen
+* Add parameter to Contact: Get e-mail address action to fallback to the active email address when the location type email address is not found.
+
+Version 1.110
+------------
+*
+* add generic action to parse raw data, fixes #29, funded by Amnesty International Vlaanderen
+* Communication:Sendmail Enabled sending email for a contact with no email when an alternative email is provided.
+* Add campaign parameter to Communication:Sendmail action. The email is added to the campaign.
+* OptionValueToLabel action incorrectly returns an array when single parameter is provided by !91
+* Custom field using option group returns incorrect values when option values are non-numeric  by !90
+* PHP 8.1 compatibility - set return types on iterator methods by !92
+* Changes the Action: Contact: Get By Email* to search any email address instead of just primary email by !94 and !95
+* Added the parameter Preferred Communication Method to the Action Contact: CreateUpdateIndividual
+
+
+Version 1.109
+------------
+
+* Implemented the condition parameter configuration screen for the condition All are (not) empty in the search action designer.
+
+Version 1.108
+------------
+
+* Fix for https://lab.civicrm.org/extensions/form-processor/issues/47
+* !88 Activity: Create/Update does not expose Duration and Location fields
+* !87 PHP 8.1 compatibility - jsonSerialize must have a return type
+
+Version 1.107
+------------
+
+* Fixed regression bug. After performance update.
+
+Version 1.106
+------------
+
+* Added location type to Send E-mail and Send PDF by Email actions. With a fall back to primary email address.
+
+Version 1.105
+------------
+
+* Performance improvements.
+
+Version 1.104
+------------
+* Added action CiviCase: Role Group Sync
+* Added action CiviCase: Get Role Group
+* Added action Other: Logged-in Contact Id
+* Added parameter source to action Create Participant
+
+Version 1.103
+------------
+* Added action GetRelationshipById.
+* Added action GetEmployer (Retrieves the employer_id and name for a contact)
+* Make subject optional in the Civi:Case Update Action.
+* Added condition "Parameter is Not"
+* Fixed issue with Send PDF By Email action and token replacements for participant tokens.
+
+Version 1.102
+------------
+
+* Fixed issue with attachment and sending mails in batch mode.
+
+Version 1.101
+------------
+
+* !83 Added Condition: Contact has Activity
+* !84 CiviCase Create and CiviCase Update actions provides Case Subject as an input field, but should be provided as a parameter option field
+* Added action CiviCase get most recent activity of a case
+
+Version 1.100
+------------
+
+* !82 Add nick_name support to CreateUpdateIndividual
+* Fix for #25: let mosaico alter the mail content and other extensions which use hook_alter_mailContent
+
+Version 1.99
+------------
+
+* Fixed UpdateGroupSubscriptions action fails !24
+* Use CiviCRM "standard" labels for address fields. Add missing Supplemental Address 2, 3 fields  by !77
+* Remove deprecated preferred_mail_format by !78
+
+
+Version 1.98
+------------
+
+* Fixed issue with Create PDF action and CiviCRM and Drupal 9.
+
+Version 1.97
+------------
+
+* Fixed issue in action Activity get most recent activity.
+
+Version 1.96
+------------
+
+* Added action: Contact restore from trash.
+* Added action: Contact: Block Communication (set all do not fields)
+
+Version 1.95
+------------
+
+* Fixed issue with sending e-mails.
+
+Version 1.94
+------------
+
+* Don't allow users to populate file custom fields
+* Fixed regression bug #23
+* Added action: Mailing Event Unsubscrive from Mailing list.
+
+Version 1.93
+------------
+
+* Fixed #22: Typo in Activity: Get most Recent activity. And loading of configuration of an action when it contains multiple values. Such as activity type.
+* Fixed bug with action Contact: add tags.
+* Added is_opt_out parameter to CreateUpdateIndividual action see !73
+* Added action Contact: Remove From Group see !74
+
+Version 1.92
+------------
+
+* Added preferred language to action Create/Update Individual.
+* Added action Other: Replace text.
+* Error handling at the create activity action
+
+Version 1.91
+------------
+
+* Convert tokens with the token processor (only if civicrm is newer then version 5.42).
+
+Version 1.90
+------------
+
+* Added condition: 'Compare Parameter with an regular Expression'
+* Added PDF Page Format to actions get message template by name and the create pdf and send pdf by email actions.
+
+Version 1.89
+------------
+
+* The SendEmail action extended with from_email and from_name parameters
+* Added action: Relationship Validate Checksums
+
+Version 1.88
+------------
+
+* Fix for #21 Process mapping with customfields in the searchactiondesigner
+* Added Action Update Campaign
+
+Version 1.87
+------------
+
+* Added option to disable the sending of confirmation e-mails with the Contribution Repeat Transaction action
+
+Version 1.86
+------------
+
+* Fixed issue action Contribution: repeat recurring contribution.
+
+Version 1.85
+------------
+
+* Fixed issue action Contribution: repeat recurring contribution.
+
+Version 1.84
+------------
+
+* Support nickname on create/update individual actions.
+* Add action Contribution: Repeat recurring contribution.
+
+Version 1.83
+------------
+
+* Added action Update Case status.
+* Added action Update Case
+* Added Case ID to create and update relationship actions
+* Added extra fields to the action Create Case.
+* Fix "Create or Update Relationships" to handle symmetric relationships.
+* Refactoring SpecificationBag->getSpecificationByName. Processing remarks !55
+* Support start/end dates on relationship create/update; related fixes by !62
+* Address Component Lookup action by !63
+
+Version 1.82
+------------
+
+* Added Action 'Activity: Assign'.
+* Added Action 'Other: Replace entity tokens in HTML'.
+* Fixed #18: activity contact not correctly returned for 1 record type only
+
+Version 1.81
+------------
+
+* Changed action 'Contact: Edit communication styles' and made the communication style also available as a parameter.
+* Action 'Activity: Create/Update' has now priority in the configuration (with default Normal).
+
+Version 1.80
+------------
+
+* Added status to the create recurring contribution action.
+
+Version 1.79
+------------
+
+* Added action 'Contribution: create recurring contribution'
+* Added Contribution Recur ID as parameter to the Send E-mail, Create PDF and Send PDF by Email action.
+
+Version 1.78
+------------
+
+* Added action 'Contact: Edit communication styles'.
+* Fixed SpecificationBag->getSpecificationByName function to support custom fields.
+* support note date on 'Create Note'  by !53
+
+Version 1.77
+------------
+
+* Regenerate auto-generated code (civix) for PHP7.4 compatibility.
+* Use full class path in action_provider.php instead of a "use" statement as classloader has not always completed when this file is read (fixes failures on some Wordpress site when run via CRON).
+* Added new action 'Other: Retrieve Geocoding (Latitude, Longitude)'. This action uses the CiviCRM geocoding settings.
+
+Version 1.76
+------------
+
+* Added action Participant Get by Custom Field.
+* Added condition all are equal.
+
+Version 1.75
+------------
+
+* Fixed issue with Create and Update participant actions and custom fields.
+
+Version 1.74
+------------
+
+* Add case_id to the GetActivity action.
+* Extended Create/Update Individual with Is Deceased and Deceaded Date.
+* Fixed issue with custom fields and Participant: register contact for event action.
+
+Version 1.73
+------------
+
+* Fixed issue with action create contribution and non US locale.
+
+Version 1.72
+------------
+
+* Fixed issue with Contact: Create/Update Individual when only an email address is provided.
+
+Version 1.71
+------------
+
+* Added action: Contribution: get by custom field.
+* Added possibility to give a group name at the Group: Add to Group action.
+
+Version 1.70
+------------
+
+* Updated action Create/Update activity with looking activity type when none is given and an existing activity is updated.
+
+Version 1.69
+------------
+
+* New Action: Create Line Item !47
+* New action 'Other: Resolve/map input to option values' !46
+* Fixed regression bug with output values from get entity by id actions. Such as Get Case By Id where the case type wasn't set correctly.
+* Added alternative recipient email as a parameter to the Send E-mail and Send PDF by Email actions.
+
+Version 1.68
+------------
+
+* Changed actions Send Email and Send pdf by email in such a way that one can set a custom from name and e-mail address. And also an alternative recipient.
+
+Version 1.67
+------------
+
+* Regenerated action_provider.civix.php (removing curly braces PHP 7.4 problem)
+* Fixed issue with Contact: Get contact by custom field #15
+* Fixed issue with Contact: Create/Update Individual when only an email address is provided.
+
+Version 1.66
+------------
+
+* Fixed issue with get participant actions.
+* Fixed issues with Update Participant By ID action.
+
+Version 1.65
+------------
+
+* Changed action Contact: get or create by email and names. So that it also accepts organization name and household name.
+* Create action to send SMS by !142
+
+Version 1.64
+------------
+
+* The checksum value is now also returned by ValidateChecksum
+* Added action 'Contact: Get or create organization by name'
+* Fixed bug when no organization is found at the action Contact: Get organization by name.
+
+Version 1.63
+------------
+
+* Fixed compatibility issue with send pdf and civicrm version 5.35 and newer.
+
+Version 1.62
+------------
+
+* Added action Implode List to the other actions.
+* Ability to add schedule date for sending emails  by !39
+* New action to add multiple contacts to a group by !40
+
+Version 1.61
+------------
+
+* Improved angular performance.
+
+Version 1.60
+------------
+
+* Fixed regression issue with custom fields on a lot of actions.
+
+Version 1.59
+------------
+
+* Fixed issue with custom fields with Create Event and Create Event From Template actions.
+
+Version 1.58
+------------
+
+* Improved issue with action provider and CiviCRM version 5.14 whlist keeping the compatibility with civicrm version 5.34 and drupal 9.
+* Add Event Full Text to Create Event and Create Event From Template actions.
+
+Version 1.57
+------------
+
+* Fixed issue with action provider and CiviCRM version 5.14 whlist keeping the compatibility with civicrm version 5.34 and drupal 9.
+
+Version 1.56
+------------
+
+* Improved performance of various actions by using the config container which caches the api calls of custom groups and custom fields.
+* Add is_hidden as an option for Create Group action !38
+* Add Max Participants and Waitlist Text to Create Event and Create Event From Template actions.
+
+Version 1.55
+------------
+
+* Fixed issue with attachments and send e-mail action.
+* Fixed issue with tokens generated by the Activity Token extension.
+
+Version 1.54
+------------
+
+* Compatibility fix for Symfony ^3.4 ^4.0.
+* Fixed issue with create pdf action and source contact id.
+* Send PDF by E-mail action can also send additional attachments.
+* The create note action does not require any extra permissions anymore.
+
+Version 1.53
+------------
+
+* New action to create an event from a template !35
+* Made plain text non required on the Send Email and Send PDF by email actions.
+
+Version 1.52
+------------
+
+* Changed Add tags action so it could retrieve the tag list as a parameter.
+
+Version 1.51
+------------
+
+* Added Formal Title to the action Contact: Create/Update Individual
+* Added action Contact: Create Note
+* Added action Contact: Add tags
+* Added action Contact: Sync tags
+
+Version 1.50
+------------
+
+* Create/Update group action also checks on the title. (#11)
+* Added summary to create event action (!32 and #10)
+
+Version 1.49
+------------
+
+* Added attachment parameter to send e-mail.
+
+Version 1.48
+------------
+
+* Fixed issue with action get activity and the retrieval of the target and assignee contact ids.
+
+Version 1.47
+------------
+
+* Added custom groups to the config class.
+
+Version 1.46
+------------
+
+* Improved performance of angular user interface.
+* Allow clearing selection of single-value parameters. (!30)
+* Added Action: Activity: Upload file to a custom field  (!29)
+* Fixed issue 9 where existing email is added to contact
+
+Version 1.45
+------------
+
+* Added action: Reuse existing file
+
+Version 1.44
+------------
+
+* Fixed issue with action Other: Show option value(s) as their Label(s) when the value is empty.
+
+Version 1.43
+------------
+
+* Added action Contribution: Get Data.
+
+Version 1.42.3
+------------
+
+* Fixed regression bug with compare parameter value condition.
+
+Version 1.42.2
+------------
+
+* Fixed regression bug in action provider with multiple value custom fields and the AbstractGetSingleAction.
+
+Version 1.42.1
+------------
+
+* Fixed regression bug in action provider.
+
+Version 1.42
+------------
+
+* Escaping configuration values of custom fields and custom groups. In case a @ or % sign is present in the help or description text
+  of the custom field or custom group.
+* Fixed issue with multiple values in a custom field and AbstractGetSingleAction.
+
+Version 1.41
+------------
+
+* Added action 'Participant: Register contact for an event' and renamed the others to 'Participant: Create/Update event registrations'.
+  The action 'Participant: Register contact for an event' has the ability to only register a contact for an event if that person
+  is not already registered.
+
+Version 1.40
+------------
+
+* Added output to the action 'Communication: Create PDF and send by e-mail'.
+* The action 'Communication: Get message template by name' only shows message templates and not the workflow templates.
+
+Version 1.39
+------------
+
+* Improved caching of custom fields.
+* Added prefix, suffix and contact sub type as a parameter to the action Contact: create/update individual.
+* Added contact sub type to action Contact Create Organisation and Contact Create Household.
+
+Version 1.38.1
+------------
+
+* Fixed regression bug with the caching of custom fields.
+
+Version 1.38
+------------
+
+* Performance improvement by caching the custom fields in a code file and by providing a mechanism to cache configs.
+
+Version 1.37.1
+------------
+
+* Fixed issue with html and the replace tokens action.
+
+Version 1.37
+------------
+
+* Added action for replacing tokens in an HTML text.
+* Added functionality to use wysiwyg editor as a configuration
+* Made configuration of an action more generic when used with search action designer (or other quick form implementations)
+
+Version 1.36
+------------
+
+* Fixed issue with reply_to email addresses on send e-mail action.
+* Added condition configuration for quick form implementation
+* Added mapping configuration for quick form implementation
+
+Version 1.35
+------------
+
+* Added action "Participant: Register contact for an event (with status and role as parameter)"
+
+Version 1.34
+------------
+
+* Added condition for Comparing Parameter value (greater than, lesser then etc.).
+
+Version 1.33
+------------
+
+* Create PDF action: added subject parameter for the created activity.
+
+Version 1.32
+------------
+
+* Fixed issue with AbstractGetSingleAction and retrieval of custom fields.
+
+Version 1.31
+------------
+
+* Added Exact Match option to action 'Contact: Get Individual by name and email'.
+* Added action: Participant: Send Registration Confirmation
+* Added option to skip creation of line items at the create contribution action.
+
+Version 1.30
+------------
+
+* Added participant to Send Email action.
+
+Version 1.29
+------------
+
+* Fixed issue with tokens in CreatePDF action.
+
+Version 1.28
+------------
+
+* Added case, activity and contribution parameter to send pdf and create pdf action.
+
+Version 1.27
+------------
+
+* Fixed issue with Validate Checksum of Role on case when a case has multiple persons with the same role.
+
+Version 1.26
+------------
+
+* Added CC/BCC to Send E-mail adn Send PDF actions.
+
+Version 1.25.4
+------------
+
+* Fixed issue with tokens and send e-mail.
+
+Version 1.25.3
+------------
+
+* Fixed issue with retrieving custom field with action Get Contact By ID.
+
+Version 1.25.2
+------------
+
+* Fixed issue with retrieving custom field with action Get Contact By ID.
+
+Version 1.25.1
+------------
+
+* Fixed issue with action Get Contact By ID. That action was broken.
+
+Version 1.25
+------------
+
+* Added action to validate checksum of role on a case.
+* Added action to subscribe/unsubsribe a contact to a set of groups.
+* Added action to retrieve the list subscribed groups of a contact.
+
+Version 1.24
+------------
+
+* Added more fields to contribution creation (fee amount, check number, receipt date, etc.)
+* Added action Get Country By Id.
+* Make Activity Date optional - defaults to 'now'
+* Fixed issue with country custom fields.
+
+Version 1.23
+------------
+
+* Added action to retrieve the Download file link
+* Made output specification for get action more generic and reusable.
+
+Version 1.22.2
+--------------
+
+* Fixed issue with CiviCase: update custom data
+
+Version 1.22.1
+--------------
+
+* Fixed issue with Generate Checksum action.
+
+Version 1.22
+------------
+
+* Added action "Contact: Generate Checksum"
+
+Version 1.21
+------------
+
+* Added action to override membership status.
+* Added action "CiviCase: Update custom data"
+* Added action "Activity: Upload Attachement"
+* Added action "CiviCase: Upload file to custom field"
+
+Version 1.20
+------------
+
+* Added action to explode a list into an array.
+* Added condition to check whether an array contains a specific value.
+* Added action Contact Has Subtype
+* Added action to remove a subtype from a contact.
+* Added action to update an existing relationship with an ID.
+* Fixed issue with clearing address fields on Create/Update address.
+* Added action to Find Contact with Role on the Case.
+* Added action to get case data.
+* Added Case ID as a parameter to the create/update activity action.
+* Added action for Using Primary address of a related contact
+* Added Mix of Not Empty/Empty to condition Parameters are (not) empty.
+* Added Job Title to Create or Update Individual.
+* Implemented functionality to group parameter fields. (Requires also an update to form processor and/or search action designer)
+* Refactored action list and named the actions in a consequent manner.
+
+Version 1.19
 ------------
 
 * Fixed #8 - saving output mapping of a condition.
 * Added action to Send PDF By E-mail.
 * Added action to set/update a contact's preferred communication methods
+* Added action to Get the Most recent activity (!16)
+* Create activity takes now an activity type as a parameter or as a configuration option (!17)
+* Fixed a regression bug with updating custom multiple select field (!19).
+* Fixed issue with Custom File Upload for events.
+* Added action to find contact by e-mail.
+* Added action to get the membership status data.
 
 Version 1.18
 ------------

CRM/ActionProvider/Page/DownloadFile.php

@@ -19,23 +19,28 @@ class CRM_ActionProvider_Page_DownloadFile extends CRM_Core_Page {
     $path = $basePath.'/'.$fileName;
     $mimeType = mime_content_type($path);
 
-    if (!$path) {
+    if (!$path || !file_exists($path)) {
       CRM_Core_Error::statusBounce('Could not retrieve the file');
     }
 
-    $buffer = file_get_contents($path);
-    if (!$buffer) {
-      CRM_Core_Error::statusBounce('The file is either empty or you do not have permission to retrieve the file');
+    $now = gmdate('D, d M Y H:i:s') . ' GMT';
+    CRM_Utils_System::setHttpHeader('Content-Type', $mimeType);
+    CRM_Utils_System::setHttpHeader('Expires', $now);
+    // lem9 & loic1: IE needs specific headers
+    $isIE = empty($_SERVER['HTTP_USER_AGENT']) ? FALSE : strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE');
+    $fileString = "filename=\"{$downloadName}\"";
+    if ($isIE) {
+      CRM_Utils_System::setHttpHeader("Content-Disposition", "inline; $fileString");
+      CRM_Utils_System::setHttpHeader('Cache-Control', 'must-revalidate, post-check=0, pre-check=0');
+      CRM_Utils_System::setHttpHeader('Pragma', 'public');
+    }
+    else {
+      CRM_Utils_System::setHttpHeader("Content-Disposition", "download; $fileString");
+      CRM_Utils_System::setHttpHeader('Pragma', 'no-cache');
     }
 
-    CRM_Utils_System::download(
-      $downloadName,
-      $mimeType,
-      $buffer,
-      NULL,
-      TRUE,
-      'download'
-    );
+    print readfile($path);
+    CRM_Utils_System::civiExit();
   }
 
   /**

Civi/ActionProvider/APIWrapper.php

+<?php
+
+namespace Civi\ActionProvider;
+
+use Civi\API\Event\PrepareEvent;
+
+/**
+ * API Wrapper class for intercepting API calls inside of Actions
+ */
+class APIWrapper {
+
+  /**
+   * Listener for civi.api.prepare event
+   * Adds callback wrapper to alter API calls
+   *
+   * @param \Civi\API\Event\PrepareEvent $event
+   *
+   * @return void
+   */
+  public static function onApiPrepare (PrepareEvent $event): void {
+    $api_request = $event->getApiRequest();
+
+    if (is_array($api_request) && $api_request['version'] == 3) {
+      $action = strtolower($api_request['action']);
+      if($action == 'get' || $action == 'getsingle') {
+        // Only interested in APIv3 requests
+        $event->wrapAPI([self::class, 'wrapV3calls']);
+      }
+      if ($action == 'create' || $action == 'delete' || $action == 'submit') {
+        // Make sure that the Transaction is nested.
+        // So that an api failure will not cause the transaction not being
+        // committed.
+        $api_request['params']['is_transactional'] = 'nest';
+        $event->setApiRequest($api_request);
+      }
+    }
+  }
+
+  /**
+   * Wrapper callback. Executes mutators then calls the API function
+   *
+   * @param array $api_request
+   * @param array $forward
+   *
+   * @return mixed
+   */
+  public static function wrapV3calls(array $api_request, array $forward) {
+    self::checkIsDeleted($api_request);
+
+    return $forward($api_request);
+  }
+
+  /**
+   * Mutator to avoid pulling deleted entities where behaviour is not specified.
+   *
+   * @param array $api_request
+   *
+   * @return void
+   */
+  protected static function checkIsDeleted(array &$api_request): void{
+    // Contacts, Activities, and Cases can be marked as deleted, so check those directly
+    if (($api_request['entity'] === 'Contact'
+      || $api_request['entity'] === 'Activity'
+      || $api_request['entity'] === 'Case')
+      && !array_key_exists('is_deleted', $api_request['params'])) {
+      $api_request['params']['is_deleted'] = 0;
+    }
+  }
+}

Civi/ActionProvider/Action/AbstractAction.php

@@ -2,34 +2,39 @@
 
 namespace Civi\ActionProvider\Action;
 
+use Civi\ActionProvider\Exception\BreakException;
+use Civi\ActionProvider\Exception\ExecutionException;
+use Civi\ActionProvider\Parameter\SpecificationCollection;
 use \Civi\ActionProvider\Provider;
 use \Civi\ActionProvider\Condition\AbstractCondition;
 use \Civi\ActionProvider\Parameter\ParameterBagInterface;
 use \Civi\ActionProvider\Parameter\ParameterBag;
 use \Civi\ActionProvider\Parameter\SpecificationBag;
-use \Civi\ActionProvider\Parameter\InvalidParameterException;
+use \Civi\ActionProvider\Exception\InvalidParameterException;
 use \Civi\ActionProvider\Exception\InvalidConfigurationException;
+use Civi\API\Events;
+use Throwable;
 
 /**
  * This is the abstract class for an action.
- * 
+ *
  * Each action has a configuration which could be set in the user interface.
- * The parameters passed to the execute function are the data comming from the upper system such as the data in the trigger 
- * with civirules. Or the data in the table with SqlTasks. 
- * 
+ * The parameters passed to the execute function are the data comming from the upper system such as the data in the trigger
+ * with civirules. Or the data in the table with SqlTasks.
+ *
  */
 abstract class AbstractAction implements \JsonSerializable {
-	
-  // Use this tag for the action does not do any data manipulation 
+
+  // Use this tag for the action does not do any data manipulation
   // but only data retrieval.
   const DATA_RETRIEVAL_TAG = 'data-retrieval';
-  
-  // Use this tag if the action manipulates data.   
+
+  // Use this tag if the action manipulates data.
 	const DATA_MANIPULATION_TAG = 'data-manipulation';
-  
+
   // Use this tag if the action works with a single contact.
 	const SINGLE_CONTACT_ACTION_TAG = 'act-on-a-single-contact';
-  
+
   // Use this tag if the action works with multieple contacts.
 	const MULTIPLE_CONTACTS_ACTION_TAG = 'action-on-multiple-contacts';
 
@@ -37,17 +42,17 @@ abstract class AbstractAction implements \JsonSerializable {
   const WITHOUT_CONTACT_ACTION_TAG = 'act-without-a-contact';
 
 	const SEND_MESSAGES_TO_CONTACTS = 'send-messages';
-	
+
 	/**
 	 * @var ParameterBag
 	 */
 	protected $configuration;
-	
+
 	/**
 	 * @var ParameterBag
 	 */
 	protected $defaultConfiguration;
-	
+
 	/**
 	 * @var Provider
 	 */
@@ -62,57 +67,60 @@ abstract class AbstractAction implements \JsonSerializable {
    * @var AbstractCondition
    */
   private $condition;
-	
+
+  // Reference counter for adding and removing API Wrapper when it's needed
+  protected static $wrapperLevel = 0;
+
 	public function __construct() {
-		
+
 	}
-	
+
 	/**
 	 * Run the action
-	 * 
+	 *
 	 * @param ParameterBagInterface $parameters
-	 *   The parameters to this action. 
+	 *   The parameters to this action.
 	 * @param ParameterBagInterface $output
 	 * 	 The parameters this action can send back
 	 * @return void
 	 */
 	abstract protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output);
-	
+
 	/**
 	 * Returns the specification of the configuration options for the actual action.
-	 * 
+	 *
 	 * @return SpecificationBag
 	 */
 	abstract public function getConfigurationSpecification();
-	
+
 	/**
 	 * Returns the specification of the parameters of the actual action.
-	 * 
+	 *
 	 * @return SpecificationBag
 	 */
 	abstract public function getParameterSpecification();
-	
+
 	/**
 	 * Returns the specification of the output parameters of this action.
-	 * 
-	 * This function could be overriden by child classes.
-	 * 
+	 *
+	 * This function could be overridden by child classes.
+	 *
 	 * @return SpecificationBag
 	 */
 	public function getOutputSpecification() {
 		return new SpecificationBag();
 	}
-	 
+
 	/**
 	 * Execute the action.
-	 * 
+	 *
 	 * The execute method will first validate the given configuration and the given
 	 * parameters against their specifcation.
-	 * 
+	 *
 	 * After that it will fire the doAction method which is implemented in a child class to do the
 	 * actual action.
 	 * This method is basicly a wrapper around doAction.
-	 * 
+	 *
 	 * @param ParameterBagInterface $parameters;
    * @param ParameterBagInterface $conditionParameters
    * @param ParameterBagInterface $invalidConditionOutput
@@ -133,12 +141,44 @@ abstract class AbstractAction implements \JsonSerializable {
     try {
       $this->validateParameters($parameters);
     } catch (InvalidParameterException $e) {
-      throw new InvalidParameterException("Found invalid parameters for the action: ".get_class($this).' '.$e->getMessage());
+      throw new \Civi\ActionProvider\Exception\InvalidParameterException("Found invalid parameters for the action: ".get_class($this).' '.$e->getMessage());
     }
 
     // Condition is valid or no condition class is set
     $output = $this->createParameterBag();
-    $this->doAction($parameters, $output);
+    try {
+      // Install API wrapper at first level of action provider only
+      if (++self::$wrapperLevel == 1) {
+        \Civi::dispatcher()
+          ->addListener('civi.api.prepare', [
+            'Civi\ActionProvider\APIWrapper',
+            'onApiPrepare'
+          ], Events::W_EARLY +1);
+      }
+      // Wrap action in a transatcion.
+      $transaction = new \CRM_Core_Transaction();
+      try {
+        $this->doAction($parameters, $output);
+      } catch(BreakException $e) {
+        // Break exception should never roll back.
+        throw $e;
+      } catch (Throwable $e) {
+        $rollback = true;
+        if (method_exists($e, 'rollbackDBTransaction')) {
+          $rollback = $e->rollbackDBTransaction();
+        }
+        if ($rollback) {
+          $transaction->rollback();
+        }
+        throw new ExecutionException($e->getMessage() . '(in ' . $e->getFile() . ':' . $e->getLine() . ')' , $e->getCode(), $e, $rollback);
+      }
+      $transaction->commit();
+    } finally {
+      // Uninstall API wrapper, even if there was an exception
+      if (-- self::$wrapperLevel == 0) {
+        \Civi::dispatcher()->removeListener('civi.api.prepare', ['Civi\ActionProvider\APIWrapper', 'onApiPrepare']);
+      }
+    }
 		return $output;
 	}
 
@@ -165,14 +205,15 @@ abstract class AbstractAction implements \JsonSerializable {
   }
 
 
-	
+
 	/**
 	 * @return bool
+   * @throws \Civi\ActionProvider\Exception\InvalidParameterException
 	 */
 	protected function validateParameters(ParameterBagInterface $parameters) {
 		return SpecificationBag::validate($parameters, $this->getParameterSpecification());
 	}
-	
+
 	/**
 	 * @return bool;
 	 */
@@ -182,21 +223,21 @@ abstract class AbstractAction implements \JsonSerializable {
 		}
 		return SpecificationBag::validate($this->configuration, $this->getConfigurationSpecification());
 	}
-	
+
 	/**
 	 * @return ParameterBag
 	 */
 	public function getDefaultConfiguration() {
 		return $this->defaultConfiguration;
 	}
-	
+
 	/**
 	 * @return ParameterBag
 	 */
 	public function getConfiguration() {
 		return $this->configuration;
 	}
-	
+
 	/**
 	 * @param ParameterBag $configuration
    * @return AbstractAction
@@ -216,7 +257,7 @@ abstract class AbstractAction implements \JsonSerializable {
 	  $this->condition = $condition;
 	  return $this;
   }
-	
+
 	/**
 	 * Sets the provider class
 	 *
@@ -227,7 +268,27 @@ abstract class AbstractAction implements \JsonSerializable {
 		$this->provider = $provider;
 		return $this;
 	}
-	
+
+  /**
+   * @return \Civi\ActionProvider\Parameter\SpecificationBag|null
+   */
+  protected function getMetadataSpecification(): SpecificationBag {
+    if ($this->provider) {
+      return $this->provider->getMetaData()->getSpecificationBag();
+    }
+    return new SpecificationBag();
+  }
+
+  /**
+   * @return \Civi\ActionProvider\Parameter\ParameterBag
+   */
+  protected function getMetadata(): ParameterBag {
+    if ($this->provider) {
+      return $this->provider->getMetaData()->getMetaData();
+    }
+    return new ParameterBag();
+  }
+
 	/**
 	 * Sets the default values of this action
 	 */
@@ -235,11 +296,12 @@ abstract class AbstractAction implements \JsonSerializable {
 		$this->configuration = $this->createParameterBag();
 		$this->defaultConfiguration = $this->createParameterBag();
 
+    /**
+     * @var \Civi\ActionProvider\Parameter\SpecificationInterface
+     */
 		foreach($this->getConfigurationSpecification() as $spec) {
-			if ($spec->getDefaultValue() !== null) {
-				$this->configuration->setParameter($spec->getName(), $spec->getDefaultValue());
-				$this->defaultConfiguration->setParameter($spec->getName(), $spec->getDefaultValue());
-			}
+      $spec->setDefaultInParameterBag($this->configuration);
+      $spec->setDefaultInParameterBag($this->defaultConfiguration);
 		}
 	}
 
@@ -254,19 +316,19 @@ abstract class AbstractAction implements \JsonSerializable {
 	public function getHelpText() {
 	  return false;
   }
-	
+
 	/**
 	 * Creates a parameterBag object.
-	 * 
+	 *
 	 * @return ParameterBagInterface
 	 */
 	protected function createParameterBag() {
 		return $this->provider->createParameterBag();
 	}
-	
+
 	/**
 	 * Converts the object to an array.
-	 * 
+	 *
 	 * @return array
 	 */
 	public function toArray() {
@@ -284,12 +346,13 @@ abstract class AbstractAction implements \JsonSerializable {
 	/**
 	 * Returns the data structure to serialize it as a json
 	 */
-	public function jsonSerialize() {
+	public function jsonSerialize(): array {
 		// An empty array goes wrong with the default confifuration.
+    $return = [];
 		if (empty($return['default_configuration'])) {
 			$return['default_configuration'] = new \stdClass();;
 		}
 		return $return;
 	}
-	
+
 }

Civi/ActionProvider/Action/AbstractGetSingleAction.php

+<?php
+/**
+ * @author Jaap Jansma <jaap.jansma@civicoop.org>
+ * @license AGPL-3.0
+ */
+
+namespace Civi\ActionProvider\Action;
+
+use Civi\ActionProvider\Parameter\ParameterBagInterface;
+use Civi\ActionProvider\Parameter\SpecificationBag;
+use Civi\ActionProvider\Utils\CustomField;
+use Civi\ActionProvider\Utils\Fields;
+
+/**
+ * This is a generic class for action which retrieves data from a single entity.
+ * E.g. a single event, participant, contact etc...
+ *
+ * Class AbstractGetSingleAction
+ *
+ * @package Civi\ActionProvider\Action
+ */
+abstract class AbstractGetSingleAction extends AbstractAction {
+
+  /**
+   * Returns the name of the entity.
+   *
+   * @return string
+   */
+  abstract protected function getApiEntity();
+
+  /**
+   * Returns the ID from the parameter array
+   *
+   * @param \Civi\ActionProvider\Parameter\ParameterBagInterface $parameters
+   *
+   * @return int
+   */
+  abstract protected function getIdFromParamaters(ParameterBagInterface $parameters);
+
+  /**
+   * @return array
+   */
+  protected function getSkippedFields() {
+    return array();
+  }
+
+  /**
+   * Returns the specification of the output parameters of this action.
+   *
+   * This function could be overridden by child classes.
+   *
+   * @return SpecificationBag
+   */
+  public function getOutputSpecification() {
+    $bag = new SpecificationBag();
+    Fields::getFieldsForEntity($bag, $this->getApiEntity(), 'get', $this->getSkippedFields(), $this->getEntityAlias());
+    return $bag;
+  }
+
+  /**
+   * Run the action
+   *
+   * @param ParameterBagInterface $parameters
+   *   The parameters to this action.
+   * @param ParameterBagInterface $output
+   *   The parameters this action can send back
+   *
+   * @return void
+   */
+  protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
+    try {
+      $id = $this->getIdFromParamaters($parameters);
+      $entity = civicrm_api3($this->getApiEntity(), 'getsingle', array('id' => $id));
+      if ($entity) {
+        $this->setOutputFromEntity($entity, $output);
+      }
+    }
+    catch (\Exception $e) {
+      // Do nothing
+    }
+  }
+
+  protected function setOutputFromEntity($entity, ParameterBagInterface $output) {
+    $fieldsToSkip = $this->getSkippedFields();
+    $entity = $this->normalizeCustomValues($entity);
+    foreach ($entity as $field => $value) {
+      if (in_array($field, $fieldsToSkip)) {
+        continue;
+      }
+      if (stripos($field, $this->getEntityAlias() . '_') === 0) {
+        $output->setParameter(substr($field, strlen($this->getEntityAlias() . '_')), $value);
+      }
+      else if (stripos($field, 'custom_') !== 0) {
+        $output->setParameter($field, $value);
+      }
+      else {
+        $custom_id = substr($field, 7);
+        if (is_numeric($custom_id)) {
+          $fieldName = CustomField::getCustomFieldName($custom_id);
+          $output->setParameter($fieldName, $value);
+        }
+      }
+    }
+  }
+
+  /**
+   * This function checks for custom_xx_id and sets it to custom_xx.
+   *
+   * In some cases the civicrm api returns custom values with a looked up value instead
+   * of their ID.
+   * In the action provider we dont want to deal with the looked up values.
+   * @param $entity
+   */
+  protected function normalizeCustomValues($entity) {
+    $normalizedEntity = array();
+    foreach ($entity as $field => $value) {
+      if (stripos($field, 'custom_') !== 0) {
+        $normalizedEntity[$field] = $value;
+        // No a custom field
+        continue;
+      }
+      $custom_id = substr($field, 7);
+      if (substr($custom_id, -3) === '_id') {
+        $custom_id = substr($custom_id, 0, -3);
+        $normalizedEntity['custom_' . $custom_id] = $value;
+      }
+      elseif (is_numeric($custom_id)) {
+        if (isset($normalizedEntity[$field])) {
+          continue;
+        }
+        $normalizedEntity['custom_' . $custom_id] = $value;
+      }
+    }
+    return $normalizedEntity;
+  }
+
+  /**
+   * Returns the specification of the configuration options for the actual
+   * action.
+   *
+   * @return SpecificationBag
+   */
+  public function getConfigurationSpecification() {
+    return new SpecificationBag();
+  }
+
+  /**
+   * Returns the name of the entity.
+   *
+   * @return string
+   */
+  protected function getEntityAlias() {
+    return strtolower($this->getApiEntity());
+  }
+
+}

Civi/ActionProvider/Action/Activity/Actions.php

+<?php
+/**
+ * @author Jaap Jansma <jaap.jansma@civicoop.org>
+ * @license AGPL-3.0
+ */
+
+namespace Civi\ActionProvider\Action\Activity;
+
+use Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\Provider;
+use CRM_ActionProvider_ExtensionUtil as E;
+
+class Actions {
+
+  /**
+   * Load activity actions
+   *
+   * @param \Civi\ActionProvider\Provider $provider
+   */
+  public static function loadActions(Provider $provider) {
+    $provider->addAction('CreateActivity', '\Civi\ActionProvider\Action\Activity\CreateActivity', E::ts('Activity: Create/Update'), array(
+      AbstractAction::DATA_MANIPULATION_TAG,
+      AbstractAction::MULTIPLE_CONTACTS_ACTION_TAG
+    ));
+    $provider->addAction('UpdateActivityStatus', '\Civi\ActionProvider\Action\Activity\UpdateActivityStatus', E::ts('Activity: Update status'), array(
+      AbstractAction::DATA_MANIPULATION_TAG,
+      AbstractAction::WITHOUT_CONTACT_ACTION_TAG
+    ));
+    $provider->addAction('DeleteActivity', '\Civi\ActionProvider\Action\Activity\DeleteActivity', E::ts('Activity: Delete'), array(
+      AbstractAction::DATA_MANIPULATION_TAG,
+      AbstractAction::MULTIPLE_CONTACTS_ACTION_TAG
+    ));
+    $provider->addAction('GetActivity', '\Civi\ActionProvider\Action\Activity\GetActivity', E::ts('Activity: Get activity by ID'), array(
+      AbstractAction::MULTIPLE_CONTACTS_ACTION_TAG,
+      AbstractAction::DATA_RETRIEVAL_TAG,
+    ));
+    $provider->addAction('GetActivityContact', '\Civi\ActionProvider\Action\Activity\GetActivityContact', E::ts('Activity: Get contact IDs from an activity'), array(
+      AbstractAction::MULTIPLE_CONTACTS_ACTION_TAG,
+      AbstractAction::DATA_RETRIEVAL_TAG,
+    ));
+    $provider->addAction('GetMostRecentActivity', '\Civi\ActionProvider\Action\Activity\GetMostRecentActivity', E::ts('Activity: Get most recent activity of a contact'), array(
+      AbstractAction::DATA_RETRIEVAL_TAG,
+    ));
+    $provider->addAction('GetMostRecentActivityByCustomField', '\Civi\ActionProvider\Action\Activity\GetMostRecentActivityByCustomField', E::ts('Activity: Get most recent activity by custom field'), array(
+      AbstractAction::DATA_RETRIEVAL_TAG,
+    ));
+    $provider->addAction('ActivityUploadAttachment', '\Civi\ActionProvider\Action\Activity\UploadAttachment', E::ts('Activity: Upload attachment'), array(
+      AbstractAction::DATA_RETRIEVAL_TAG,
+    ));
+    $provider->addAction('ActivityUploadCustomFileField', '\Civi\ActionProvider\Action\Activity\UploadCustomFileField', E::ts('Activity: Upload file to a custom field'), array(
+      AbstractAction::SINGLE_CONTACT_ACTION_TAG,
+      AbstractAction::DATA_MANIPULATION_TAG,
+    ));
+    $provider->addAction('ActivityAssign', '\Civi\ActionProvider\Action\Activity\Assign', E::ts('Activity: Assign'), array(
+      AbstractAction::SINGLE_CONTACT_ACTION_TAG,
+      AbstractAction::DATA_MANIPULATION_TAG,
+    ));
+      $provider->addAction('FindSimilarActivities', '\Civi\ActionProvider\Action\Activity\FindSimilarActivities', E::ts('Activity: Find similar activities'), array(
+      AbstractAction::DATA_RETRIEVAL_TAG,
+    ));
+          $provider->addAction('CreateActivityForGroup', '\Civi\ActionProvider\Action\Activity\CreateActivityForGroup', E::ts('Activity: Create activities and assign to members of a group'), array(
+        AbstractAction::DATA_MANIPULATION_TAG,
+    ));
+
+  }
+
+}

Civi/ActionProvider/Action/Activity/Assign.php

+<?php
+/**
+ * @author Klaas Eikelboom <klaas.eikelboom@civicoop.org>
+ * @license AGPL-3.0
+ */
+
+namespace Civi\ActionProvider\Action\Activity;
+
+use Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\Parameter\ParameterBagInterface;
+use Civi\ActionProvider\Parameter\Specification;
+use Civi\ActionProvider\Parameter\SpecificationBag;
+
+use CRM_ActionProvider_ExtensionUtil as E;
+
+class Assign extends AbstractAction {
+
+  /**
+   * Returns the specification of the configuration options for the actual
+   * action.
+   *
+   * @return SpecificationBag
+   */
+  public function getConfigurationSpecification() {
+    return new SpecificationBag([]);
+
+  }
+
+  /**
+   * Returns the specification of the parameters of the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getParameterSpecification() {
+    $bag = new SpecificationBag([
+      new Specification('id', 'Integer', E::ts('Activity ID'), true),
+      new Specification('assignee_id', 'Integer', E::ts('Assignee ID'), false),
+    ]);
+    return $bag;
+  }
+
+  /**
+   * Returns the specification of the output parameters of this action.
+   *
+   * This function could be overridden by child classes.
+   *
+   * @return SpecificationBag
+   */
+  public function getOutputSpecification() {
+    return new SpecificationBag(array());
+  }
+
+  /**
+   * Run the action
+   *
+   * @param ParameterBagInterface $parameters
+   *   The parameters to this action.
+   * @param ParameterBagInterface $output
+   *   The parameters this action can send back
+   * @return void
+   * @throws \Exception
+   */
+  protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
+    // Get the contact and the event.
+    $activityParams['id'] = $parameters->getParameter('id');
+    $activityParams['assignee_id'] = $parameters->getParameter('assignee_id');
+    try {
+      $result = civicrm_api3('Activity', 'Create', $activityParams);
+    } catch (\Exception $e) {
+    }
+  }
+
+
+
+}

Civi/ActionProvider/Action/Activity/CreateActivity.php

@@ -7,10 +7,12 @@
 namespace Civi\ActionProvider\Action\Activity;
 
 use Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\ConfigContainer;
 use Civi\ActionProvider\Parameter\OptionGroupByNameSpecification;
 use Civi\ActionProvider\Parameter\ParameterBagInterface;
 use Civi\ActionProvider\Parameter\Specification;
 use Civi\ActionProvider\Parameter\SpecificationBag;
+use Civi\ActionProvider\Parameter\SpecificationGroup;
 use Civi\ActionProvider\Utils\CustomField;
 
 use CRM_ActionProvider_ExtensionUtil as E;
@@ -30,6 +32,7 @@ class CreateActivity extends AbstractAction {
       new OptionGroupByNameSpecification('activity_type', 'activity_type', E::ts('Activity Type'), FALSE),
       new OptionGroupByNameSpecification('activity_status', 'activity_status', E::ts('Activity Status'), TRUE),
       $subject,
+      new OptionGroupByNameSpecification('priority', 'priority', E::ts('Priority'), TRUE,'Normal'),
     ]);
   }
 
@@ -46,29 +49,21 @@ class CreateActivity extends AbstractAction {
       new Specification('target_contact_id', 'Integer', E::ts('Target Contact ID'), TRUE,null, null, null, true),
       new Specification('assignee_contact_id', 'Integer', E::ts('Assignee Contact ID'), FALSE, null, null, null, false),
       new Specification('activity_type_id', 'Integer', E::ts('Activity Type'), FALSE, null, null, null, FALSE),
-      new Specification('activity_date', 'Timestamp', E::ts('Activity Date'), TRUE),
+      new Specification('location', 'String', E::ts('Location'), FALSE),
+      new Specification('activity_date', 'Timestamp', E::ts('Activity Date'), FALSE),
+      new Specification('duration', 'Integer', E::ts('Duration'), FALSE),
       new Specification('id', 'Integer', E::ts('Activity ID'), false),
       new Specification('campaign_id', 'Integer', E::ts('Campaign'), false),
       $subject,
       new Specification('details', 'Text', E::ts('Details'), false),
+      new Specification('case_id', 'Integer', E::ts('Case ID'), false),
     ]);
 
-    $customGroups = civicrm_api3('CustomGroup', 'get', [
-      'extends' => 'Activity',
-      'is_active' => 1,
-      'options' => ['limit' => 0],
-    ]);
-    foreach ($customGroups['values'] as $customGroup) {
-      $customFields = civicrm_api3('CustomField', 'get', [
-        'custom_group_id' => $customGroup['id'],
-        'is_active' => 1,
-        'options' => ['limit' => 0],
-      ]);
-      foreach ($customFields['values'] as $customField) {
-        $spec = CustomField::getSpecFromCustomField($customField, $customGroup['title'] . ': ', FALSE);
-        if ($spec) {
-          $bag->addSpecification($spec);
-        }
+    $config = ConfigContainer::getInstance();
+    $customGroups = $config->getCustomGroupsForEntity('Activity');
+    foreach ($customGroups as $customGroup) {
+      if (!empty($customGroup['is_active'])) {
+        $bag->addSpecification(CustomField::getSpecForCustomGroup($customGroup['id'], $customGroup['name'], $customGroup['title']));
       }
     }
 
@@ -78,7 +73,7 @@ class CreateActivity extends AbstractAction {
   /**
    * Returns the specification of the output parameters of this action.
    *
-   * This function could be overriden by child classes.
+   * This function could be overridden by child classes.
    *
    * @return SpecificationBag
    */
@@ -102,6 +97,7 @@ class CreateActivity extends AbstractAction {
     // Get the contact and the event.
 
     $activityParams['status_id'] = $this->configuration->getParameter('activity_status');
+    $activityParams['priority_id'] = $this->configuration->getParameter('priority');
     if ($parameters->doesParameterExists('subject')) {
       $activityParams['subject'] = $parameters->getParameter('subject');
     } elseif ($this->configuration->getParameter('subject')) {
@@ -116,7 +112,11 @@ class CreateActivity extends AbstractAction {
     if ($parameters->doesParameterExists('assignee_contact_id')) {
       $activityParams['assignee_contact_id'] = $parameters->getParameter('assignee_contact_id');
     }
+
+    $activityParams['location'] = $parameters->getParameter('location');
     $activityParams['activity_date_time'] = $parameters->getParameter('activity_date');
+    $activityParams['duration'] = $parameters->getParameter('duration');
+
     if ($parameters->doesParameterExists('campaign_id')) {
       $activityParams['campaign_id'] = $parameters->getParameter('campaign_id');
     }
@@ -128,22 +128,23 @@ class CreateActivity extends AbstractAction {
     } elseif ($activityParams['activity_type_id'] = $this->configuration->doesParameterExists('activity_type')) {
       $activityParams['activity_type_id'] = $this->configuration->getParameter('activity_type');
     }
+    if ($parameters->doesParameterExists('case_id')) {
+      $activityParams['case_id'] = $parameters->getParameter('case_id');
+    }
 
-    foreach($this->getParameterSpecification() as $spec) {
-      if (stripos($spec->getName(), 'custom_')!==0) {
-        continue;
-      }
-      if ($parameters->doesParameterExists($spec->getName())) {
-        $activityParams[$spec->getApiFieldName()] = $parameters->getParameter($spec->getName());
-      }
+    if (empty($activityParams['activity_type_id']) && !empty($activityParams['id'])) {
+      $activityParams['activity_type_id'] = civicrm_api3('Activity', 'getvalue', ['return' => 'activity_type_id', 'id' => $activityParams['id'],'options' => ['limit' => 1]]);
     }
 
+    $activityParams = array_merge($activityParams, CustomField::getCustomFieldsApiParameter($parameters, $this->getParameterSpecification()));
+
     try {
       // Do not use api as the api checks for an existing relationship.
       $result = civicrm_api3('Activity', 'Create', $activityParams);
       $output->setParameter('id', $result['id']);
     } catch (\Exception $e) {
-      // Do nothing.
+      \Civi::log()->error('ActionProvider CreateActivity Error: ' . $e->getMessage());
+      throw new \Civi\ActionProvider\Exception\ExecutionException(E::ts('Could not create activity.'));
     }
   }
 

Civi/ActionProvider/Action/Activity/CreateActivityForGroup.php

+<?php
+
+namespace Civi\ActionProvider\Action\Activity;
+
+use \Civi\ActionProvider\Action\AbstractAction;
+use \Civi\ActionProvider\Parameter\ParameterBagInterface;
+use \Civi\ActionProvider\Parameter\SpecificationBag;
+use \Civi\ActionProvider\Parameter\Specification;
+
+
+use Civi\ActionProvider\ConfigContainer;
+use Civi\ActionProvider\Parameter\OptionGroupByNameSpecification;
+use Civi\ActionProvider\Parameter\SpecificationGroup;
+use Civi\ActionProvider\Utils\CustomField;
+
+use CRM_ActionProvider_ExtensionUtil as E;
+
+class CreateActivityForGroup extends AbstractAction {
+
+  /**
+   * Returns the specification of the configuration options for the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getConfigurationSpecification() {
+    $subject = new Specification('subject', 'String', E::ts('Default Subject'));
+    $subject->setDescription(E::ts('Subject when you don\'t get use a parameter for the subejct.'));
+    return new SpecificationBag([
+      new Specification('group_id', 'Integer', E::ts('Select group'), false, null, 'Group', null, FALSE),
+      new Specification('group_title', 'String', E::ts('Or group title'), false, null, null, null, FALSE),
+      new OptionGroupByNameSpecification('activity_type', 'activity_type', E::ts('Activity Type'), FALSE),
+      new OptionGroupByNameSpecification('activity_status', 'activity_status', E::ts('Activity Status'), TRUE),
+      $subject,
+      new OptionGroupByNameSpecification('priority', 'priority', E::ts('Priority'), TRUE, 'Normal'),
+    ]);
+    return new SpecificationBag(array(
+    ));
+  }
+
+  /**
+   * Returns the specification of the configuration options for the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getParameterSpecification() {
+    $subject = new Specification('subject', 'String', E::ts('Subject'));
+    $subject->setDescription(E::ts('Use this field when you want to set the subject from another field.'));
+    $bag = new SpecificationBag([
+      new Specification('group_id', 'Integer', E::ts('Group ID'), FALSE, null, null, null, false),
+      new Specification('source_contact_id', 'Integer', E::ts('Source Contact ID'), TRUE, null, null, null, false),
+      new Specification('target_contact_id', 'Integer', E::ts('Target Contact ID'), TRUE, null, null, null, true),
+      new Specification('activity_type_id', 'Integer', E::ts('Activity Type'), FALSE, null, null, null, FALSE),
+      new Specification('location', 'String', E::ts('Location'), FALSE),
+      new Specification('activity_date', 'Timestamp', E::ts('Activity Date'), FALSE),
+      new Specification('duration', 'Integer', E::ts('Duration'), FALSE),
+      new Specification('id', 'Integer', E::ts('Activity ID'), false),
+      new Specification('campaign_id', 'Integer', E::ts('Campaign'), false),
+      $subject,
+      new Specification('details', 'Text', E::ts('Details'), false),
+      new Specification('case_id', 'Integer', E::ts('Case ID'), false),
+    ]);
+
+    $config = ConfigContainer::getInstance();
+    $customGroups = $config->getCustomGroupsForEntity('Activity');
+    foreach ($customGroups as $customGroup) {
+      if (!empty($customGroup['is_active'])) {
+        $bag->addSpecification(CustomField::getSpecForCustomGroup($customGroup['id'], $customGroup['name'], $customGroup['title']));
+      }
+    }
+
+    return $bag;
+  }
+
+  /**
+   * Returns the specification of the output parameters of this action.
+   *
+   * This function could be overridden by child classes.
+   *
+   * @return SpecificationBag
+   */
+  public function getOutputSpecification() {
+    return new SpecificationBag();
+  }
+
+  /**
+   * Run the action
+   *
+   * @param ParameterInterface $parameters
+   *   The parameters to this action.
+   * @param ParameterBagInterface $output
+   *   The parameters this action can send back
+   * @return void
+   */
+  protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
+
+
+    // Create and collect tthe activity configurations
+    $activityParams['status_id'] = $this->configuration->getParameter('activity_status');
+    $activityParams['priority_id'] = $this->configuration->getParameter('priority');
+    if ($parameters->doesParameterExists('subject')) {
+      $activityParams['subject'] = $parameters->getParameter('subject');
+    }
+    elseif ($this->configuration->getParameter('subject')) {
+      $activityParams['subject'] = $this->configuration->getParameter('subject');
+    }
+
+    if ($parameters->doesParameterExists('id')) {
+      $activityParams['id'] = $parameters->getParameter('id');
+    }
+    $activityParams['source_contact_id'] = $parameters->getParameter('source_contact_id');
+    $activityParams['target_contact_id'] = $parameters->getParameter('target_contact_id');
+
+    $activityParams['location'] = $parameters->getParameter('location');
+    $activityParams['activity_date_time'] = $parameters->getParameter('activity_date');
+    $activityParams['duration'] = $parameters->getParameter('duration');
+
+    if ($parameters->doesParameterExists('campaign_id')) {
+      $activityParams['campaign_id'] = $parameters->getParameter('campaign_id');
+    }
+    if ($parameters->doesParameterExists('details')) {
+      $activityParams['details'] = $parameters->getParameter('details');
+    }
+    if ($parameters->doesParameterExists('activity_type_id')) {
+      $activityParams['activity_type_id'] = $parameters->getParameter('activity_type_id');
+    }
+    elseif ($activityParams['activity_type_id'] = $this->configuration->doesParameterExists('activity_type')) {
+      $activityParams['activity_type_id'] = $this->configuration->getParameter('activity_type');
+    }
+    if ($parameters->doesParameterExists('case_id')) {
+      $activityParams['case_id'] = $parameters->getParameter('case_id');
+    }
+
+    if (empty($activityParams['activity_type_id']) && !empty($activityParams['id'])) {
+      $activityParams['activity_type_id'] = civicrm_api3('Activity', 'getvalue', ['return' => 'activity_type_id', 'id' => $activityParams['id'], 'options' => ['limit' => 1]]);
+    }
+
+    $activityParams = array_merge($activityParams, CustomField::getCustomFieldsApiParameter($parameters, $this->getParameterSpecification()));
+
+    // get list of contacts in the provided group
+    if ($parameters->doesParameterExists('group_id')) {
+      $groupId = $parameters->getParameter('group_id');
+    }
+    else if ($this->configuration->doesParameterExists('group_id')) {
+      $groupId = $this->configuration->getParameter('group_id');
+    }
+    else if ($this->configuration->doesParameterExists('group_title')) {
+      $groupTitle = $this->configuration->getParameter('group_title');
+      $groupId = civicrm_api4('Groups', 'get', [
+        'select' => ['id'],
+        'where' => [
+          ['title', '=', $groupTitle]
+        ]]
+      );
+      $groupId = $groupId[0]['id'];
+    }
+    else {
+      throw new \Civi\ActionProvider\Exception\ExecutionException(E::ts('Could not create activity. No group could be found.'));
+    }
+    $groupContacts = civicrm_api4('GroupContact', 'get', array(
+      'select' => array('contact_id'),
+      'where' => array(
+        array('group_id', '=', $groupId),
+        array('status', '=', 'Added')
+      )
+    ));
+
+    foreach ($groupContacts as $contact) {
+      $activityParams['assignee_contact_id'] = $contact['contact_id'];
+      try {
+        // Do not use api as the api checks for an existing relationship.
+        $result = civicrm_api3('Activity', 'Create', $activityParams);
+        //$output->setParameter('id', $result['id']);
+      }
+      catch (\Exception $e) {
+        \Civi::log()->error('ActionProvider CreateActivity Error: ' . $e->getMessage());
+        throw new \Civi\ActionProvider\Exception\ExecutionException(E::ts('Could not create activity.'));
+      }
+    }
+  }
+
+
+}
\ No newline at end of file

Civi/ActionProvider/Action/Activity/DeleteActivity.php

@@ -42,7 +42,7 @@ class DeleteActivity extends AbstractAction {
   /**
    * Returns the specification of the output parameters of this action.
    *
-   * This function could be overriden by child classes.
+   * This function could be overridden by child classes.
    *
    * @return SpecificationBag
    */

Civi/ActionProvider/Action/Activity/FindSimilarActivities.php

+<?php
+/**
+ * @author Simon Hermann <simon.hermann@civiservice.de>
+ * @license AGPL-3.0
+ */
+
+namespace Civi\ActionProvider\Action\Activity;
+
+use Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\ConfigContainer;
+use Civi\ActionProvider\Parameter\ParameterBagInterface;
+use Civi\ActionProvider\Parameter\OptionGroupSpecification;
+use Civi\ActionProvider\Parameter\OptionGroupByNameSpecification;
+use Civi\ActionProvider\Parameter\SpecificationBag;
+use Civi\ActionProvider\Parameter\Specification;
+use Civi\ActionProvider\Utils\CustomField;
+
+use CRM_ActionProvider_ExtensionUtil as E;
+
+class FindSimilarActivities extends AbstractAction {
+
+  /**
+   * Run the action
+   *
+   * @param ParameterInterface $parameters
+   *   The parameters to this action.
+   * @param ParameterBagInterface $output
+   *   The parameters this action can send back
+   * @return void
+   */
+  protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
+    $parameterArray = $parameters->toArray();
+    $configurationArray = $this->configuration->toArray();
+
+
+    $apiParams = array();
+    $apiParams['return'] = array('id');
+    foreach ($parameterArray as $key => $value) {
+      if ($value !== '') {
+        $apiParams[$key] = $value;
+      }
+    }
+    foreach ($configurationArray as $key => $value) {
+      if (!isset($apiParams[$key]) && $value !== '') {
+        $apiParams[$key] = $value;
+      }
+    }
+
+    try {
+      $entity = civicrm_api3('Activity', 'get', $apiParams);
+      $output->setParameter('number_similar_activities', sizeof($entity['values']));
+      $activityIDs = array();
+      foreach ($entity['values'] as $entry) {
+        array_push($activityIDs, $entry['id']);
+      }
+      $output->setParameter('activity_Ids', $activityIDs);
+      $output->setParameter('apiCall', $apiParams);
+    }
+    catch (\Exception $e) {
+      throw new ExecutionException(E::ts('Could not find an activity'));
+    }
+  }
+
+  /**
+   * Returns the specification of the configuration options for the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getConfigurationSpecification() {
+    $specs = new SpecificationBag();
+    $specs->addSpecification(new OptionGroupByNameSpecification('activity_type_id', 'activity_type', E::ts('Activity Type'), FALSE));
+    $specs->addSpecification(new OptionGroupByNameSpecification('status_id', 'activity_status', E::ts('Activity Status'), FALSE));
+    return $specs;
+  }
+
+  /**
+   * Returns the specification of the parameters of the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getParameterSpecification() {
+    $specs = new SpecificationBag();
+    $specs->addSpecification(new Specification('activity_type_id', 'String', E::ts('Activity type ID'), false));
+    $specs->addSpecification(new Specification('status_id', 'String', E::ts('Activity status ID'), false));
+    $specs->addSpecification(new Specification('subject', 'String', E::ts('Activity subject'), false));
+    $specs->addSpecification(new Specification('target_contact_id', 'Integer', E::ts('Target contact ID'), false));
+
+    $config = ConfigContainer::getInstance();
+    $customGroups = $config->getCustomGroupsForEntity('Activity');
+    foreach ($customGroups as $customGroup) {
+      if (!empty($customGroup['is_active'])) {
+        $specs->addSpecification(CustomField::getSpecForCustomGroup($customGroup['id'], $customGroup['name'], $customGroup['title']));
+      }
+    }
+
+    return $specs;
+  }
+
+  /**
+   * Returns the specification of the output parameters of this action.
+   *
+   * This function could be overridden by child classes.
+   *
+   * @return SpecificationBag
+   */
+  public function getOutputSpecification() {
+    $specs = new SpecificationBag();
+    $specs->addSpecification(new Specification('activity_Ids', 'String', E::ts('IDs of similar activities'), true));
+    $specs->addSpecification(new Specification('number_similar_activities', 'Integer', E::ts('Number of similar acitivities')));
+    $specs->addSpecification(new Specification('apiCall', 'Integer', E::ts('Call of the APIv3')));
+
+    return $specs;
+  }
+
+
+}
\ No newline at end of file

Civi/ActionProvider/Action/Activity/GetActivity.php

@@ -6,24 +6,33 @@
 
 namespace Civi\ActionProvider\Action\Activity;
 
-use Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\Action\AbstractGetSingleAction;
 use Civi\ActionProvider\Parameter\ParameterBagInterface;
 use Civi\ActionProvider\Parameter\Specification;
 use Civi\ActionProvider\Parameter\SpecificationBag;
-use Civi\ActionProvider\Utils\CustomField;
 
 use CRM_ActionProvider_ExtensionUtil as E;
 
-class GetActivity extends AbstractAction {
+class GetActivity extends AbstractGetSingleAction {
 
   /**
-   * Returns the specification of the configuration options for the actual
-   * action.
+   * Returns the name of the entity.
    *
-   * @return SpecificationBag
+   * @return string
+   */
+  protected function getApiEntity() {
+    return 'Activity';
+  }
+
+  /**
+   * Returns the ID from the parameter array
+   *
+   * @param \Civi\ActionProvider\Parameter\ParameterBagInterface $parameters
+   *
+   * @return int
    */
-  public function getConfigurationSpecification() {
-    return new SpecificationBag();
+  protected function getIdFromParamaters(ParameterBagInterface $parameters) {
+    return $parameters->getParameter('id');
   }
 
   /**
@@ -41,64 +50,53 @@ class GetActivity extends AbstractAction {
   /**
    * Returns the specification of the output parameters of this action.
    *
-   * This function could be overriden by child classes.
+   * This function could be overridden by child classes.
    *
    * @return SpecificationBag
    */
   public function getOutputSpecification() {
-    $bag = new SpecificationBag();
-
-    $customGroups = civicrm_api3('CustomGroup', 'get', [
-      'extends' => 'Activity',
-      'is_active' => 1,
-      'options' => ['limit' => 0],
-    ]);
-    foreach ($customGroups['values'] as $customGroup) {
-      $customFields = civicrm_api3('CustomField', 'get', [
-        'custom_group_id' => $customGroup['id'],
-        'is_active' => 1,
-        'options' => ['limit' => 0],
-      ]);
-      foreach ($customFields['values'] as $customField) {
-        $spec = CustomField::getSpecFromCustomField($customField, $customGroup['title'] . ': ', FALSE);
-        if ($spec) {
-          $bag->addSpecification($spec);
-        }
-      }
+    $bag = parent::getOutputSpecification();
+    $target_contact_id = $bag->getSpecificationByName('target_contact_id');
+    if ($target_contact_id instanceof Specification) {
+      $target_contact_id->setMultiple(TRUE);
     }
-
     return $bag;
   }
 
-  /**
-   * Run the action
-   *
-   * @param ParameterBagInterface $parameters
-   *   The parameters to this action.
-   * @param ParameterBagInterface $output
-   *   The parameters this action can send back
-   * @return void
-   * @throws \Exception
-   */
-  protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
-    $activityParams['id'] = $parameters->getParameter('id');
-    try {
-      // Do not use api as the api checks for an existing relationship.
-      $activity = civicrm_api3('Activity', 'getsingle', $activityParams);
-      foreach($activity as $field => $value) {
-        if (stripos($field, 'custom_') !== 0) {
-          $output->setParameter($field, $value);
-        } else {
-          $custom_id = substr($field, 7);
-          $fieldName = CustomField::getCustomFieldName($custom_id);
-          $output->setParameter($fieldName, $value);
-        }
+  protected function setOutputFromEntity($entity, ParameterBagInterface $output) {
+    parent::setOutputFromEntity($entity, $output);
+
+    $sql = "SELECT DISTINCT contact_id, record_type_id FROM civicrm_activity_contact WHERE activity_id = %1 AND record_type_id IN (1,3)";
+    $sqlParams[1] = array($entity['id'], 'Integer');
+    $dao = \CRM_Core_DAO::executeQuery($sql, $sqlParams);
+    $target_contact_ids = array();
+    $assignee_contact_id = null;
+    while($dao->fetch()) {
+      if ($dao->record_type_id == 1) {
+        $assignee_contact_id = $dao->contact_id;
+      } elseif ($dao->record_type_id == 3) {
+        $target_contact_ids[] = $dao->contact_id;
+      }
+    }
+    $sql = "SELECT DISTINCT case_id from civicrm_case_activity WHERE activity_id = %1";
+    $sqlParams[1] = array($entity['id'], 'Integer');
+    $dao = \CRM_Core_DAO::executeQuery($sql, $sqlParams);
+    $case_id = array();
+    while($dao->fetch()) {
+      $case_id[] = $dao->case_id;
+    }
+    $output->setParameter('target_contact_id', $target_contact_ids);
+    if ($assignee_contact_id) {
+      $output->setParameter('assignee_contact_id', $assignee_contact_id);
+    }
+    if(!empty($case_id)){
+      if(count($case_id)){
+        $case_id = reset($case_id);
       }
-    } catch (\Exception $e) {
-      // Do nothing.
+      $output->setParameter('case_id', $case_id);
     }
   }
 
 
 
-}
\ No newline at end of file
+}

Civi/ActionProvider/Action/Activity/GetActivityContact.php

@@ -43,7 +43,7 @@ class GetActivityContact extends AbstractAction {
   /**
    * Returns the specification of the output parameters of this action.
    *
-   * This function could be overriden by child classes.
+   * This function could be overridden by child classes.
    *
    * @return SpecificationBag
    */
@@ -69,8 +69,16 @@ class GetActivityContact extends AbstractAction {
     $record_type_ids = $this->configuration->getParameter('record_type');
     $sql = "SELECT DISTINCT contact_id FROM civicrm_activity_contact WHERE activity_id = %1";
     $sqlParams[1] = array($id, 'Integer');
-    if ($record_type_ids && is_array($record_type_ids) && count($record_type_ids)) {
-      $sql .= " AND record_type_id IN (".implode(", ", $record_type_ids).")";
+    if ($record_type_ids) {
+      if (is_array($record_type_ids)) {
+        if (count($record_type_ids)) {
+          $sql .= " AND record_type_id IN (".implode(", ", $record_type_ids).")";
+        }
+      }
+      else {
+        $sql .= " AND record_type_id = %2";
+        $sqlParams[2] = [(int) $record_type_ids, 'Integer'];
+      }
     }
 
     $dao = \CRM_Core_DAO::executeQuery($sql, $sqlParams);
@@ -85,4 +93,4 @@ class GetActivityContact extends AbstractAction {
 
 
 
-}
\ No newline at end of file
+}

Civi/ActionProvider/Action/Activity/GetMostRecentActivity.php

+<?php
+/**
+ * Gets the most recent activity of a contact. So the contact_id is the key, the
+ * activity id is returned.
+ *
+ * Returns the activity id and the contact id as well.
+ *
+ * @author Klaas Eikelboom  <klaas.eikelboom@civicoop.org>
+ * @date 25-May-2020
+ * @license  AGPL-3.0
+ */
+
+namespace Civi\ActionProvider\Action\Activity;
+
+use Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\Exception\ExecutionException;
+use Civi\ActionProvider\Parameter\OptionGroupSpecification;
+use Civi\ActionProvider\Parameter\ParameterBagInterface;
+use Civi\ActionProvider\Parameter\Specification;
+use Civi\ActionProvider\Parameter\SpecificationBag;
+
+use CRM_ActionProvider_ExtensionUtil as E;
+
+class GetMostRecentActivity extends AbstractAction {
+
+  /**
+   * Returns the specification of the configuration options for the actual
+   * action.
+   *
+   * @return SpecificationBag
+   */
+  public function getConfigurationSpecification() {
+    $bag = new SpecificationBag();
+    $bag->addSpecification(new OptionGroupSpecification('record_type', 'activity_contacts', E::ts('Record type'), false, null, true));
+    $bag->addSpecification(new OptionGroupSpecification('activity_type_id', 'activity_type', E::ts('Activity Type'), false, null, true));
+    $bag->addSpecification(new OptionGroupSpecification('status_id', 'activity_status', E::ts('Activity Status'), false, null, true));
+    $bag->addSpecification(new Specification('error', 'Boolean', E::ts('Error on no activity found'), false, false));
+    return $bag;
+  }
+
+  /**
+   * Returns the specification of the parameters of the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getParameterSpecification() {
+    $bag = new SpecificationBag([
+      new Specification('id', 'Integer', E::ts('Contact ID'), true),
+    ]);
+    return $bag;
+  }
+
+  /**
+   * Returns the specification of the output parameters of this action.
+   *
+   * This function could be overridden by child classes.
+   *
+   * @return SpecificationBag
+   */
+  public function getOutputSpecification() {
+    $bag = new SpecificationBag();
+    $bag->addSpecification(new Specification('activity_id', 'Integer', E::ts('Activity ID'), false, null, null, false, true));
+    $bag->addSpecification(new Specification('contact_id', 'Integer', E::ts('Contact ID'), false, null, null, false, true));
+    return $bag;
+  }
+
+  /**
+   * Run the action
+   *
+   * @param ParameterBagInterface $parameters
+   *   The parameters to this action.
+   * @param ParameterBagInterface $output
+   *   The parameters this action can send back
+   * @return void
+   * @throws \Exception
+   */
+  protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
+    $id = $parameters->getParameter('id');
+    $record_type_ids = $this->configuration->getParameter('record_type');
+    $activity_type_ids = $this->configuration->getParameter('activity_type_id');
+    $status_ids = $this->configuration->getParameter('status_id');
+    $error = $this->configuration->getParameter('error');
+    $sql =<<< SQL
+    SELECT activity_id
+    FROM civicrm_activity_contact ac
+    JOIN civicrm_activity act ON (act.id=ac.activity_id)
+    WHERE contact_id = %1
+SQL;
+    $sqlParams[1] = array($id, 'Integer');
+    if ($record_type_ids && is_array($record_type_ids) && count($record_type_ids)) {
+      $sql .= " AND record_type_id IN (".implode(", ", $record_type_ids).")";
+    } elseif ($record_type_ids && !is_array($record_type_ids)) {
+      $sql .= " AND record_type_id IN (".implode(", ", explode(",", $record_type_ids)).")";
+    }
+    if ($activity_type_ids && is_array($activity_type_ids) && count($activity_type_ids)) {
+      $sql .= " AND activity_type_id IN (".implode(", ", $activity_type_ids).")";
+    } elseif ($activity_type_ids && !is_array($activity_type_ids)) {
+      $sql .= " AND activity_type_id IN (".implode(", ", explode(",", $activity_type_ids)).")";
+    }
+    if ($status_ids && is_array($status_ids) && count($status_ids)) {
+      $sql .= " AND status_id IN (".implode(", ", $status_ids).")";
+    } elseif ($status_ids && !is_array($status_ids)) {
+      $sql .= " AND status_id IN (".implode(", ", explode(",", $status_ids)).")";
+    }
+    $sql .= " ORDER BY act.activity_date_time DESC limit 1";
+    $activity_id = \CRM_Core_DAO::singleValueQuery($sql,[
+      1 => [$id,'Integer']
+    ]);
+    if ($error && empty($activity_id)) {
+      throw new ExecutionException(E::ts('Could not find an activity'));
+    }
+    $output->setParameter('activity_id', $activity_id);
+    $output->setParameter('contact_id', $id);
+  }
+}

Civi/ActionProvider/Action/Activity/GetMostRecentActivityByCustomField.php

+<?php
+/**
+ * Gets the most recent activity of a contact. So the contact_id is the key, the
+ * activity id is returned.
+ *
+ * Returns the activity id and the contact id as well.
+ *
+ * @author Klaas Eikelboom  <klaas.eikelboom@civicoop.org>
+ * @date 25-May-2020
+ * @license  AGPL-3.0
+ */
+
+namespace Civi\ActionProvider\Action\Activity;
+
+use Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\ConfigContainer;
+use Civi\ActionProvider\Exception\ExecutionException;
+use Civi\ActionProvider\Parameter\OptionGroupSpecification;
+use Civi\ActionProvider\Parameter\ParameterBagInterface;
+use Civi\ActionProvider\Parameter\Specification;
+use Civi\ActionProvider\Parameter\SpecificationBag;
+
+use CRM_ActionProvider_ExtensionUtil as E;
+use CRM_Core_Exception;
+
+class GetMostRecentActivityByCustomField extends AbstractAction {
+
+  /**
+   * Returns the specification of the configuration options for the actual
+   * action.
+   *
+   * @return SpecificationBag
+   */
+  public function getConfigurationSpecification() {
+    $fields = array();
+    $config = ConfigContainer::getInstance();
+    $customGroups = $config->getCustomGroupsForEntity('Activity');
+    foreach ($customGroups as $customGroup) {
+      if (!empty($customGroup['is_active'])) {
+        $customFields = $config->getCustomFieldsOfCustomGroup($customGroup['id']);
+        foreach($customFields as $customField) {
+          $fields[$customField['id']] = $customGroup['title']. ' :: '.$customField['label'];
+        }
+      }
+    }
+
+    $bag = new SpecificationBag();
+    $bag->addSpecification(new Specification('custom_field', 'Integer', E::ts('Custom field'), true, null, null, $fields, false));
+    $bag->addSpecification(new OptionGroupSpecification('activity_type_id', 'activity_type', E::ts('Activity Type'), false, null, true));
+    $bag->addSpecification(new OptionGroupSpecification('status_id', 'activity_status', E::ts('Activity Status'), false, null, true));
+    $bag->addSpecification(new Specification('error', 'Boolean', E::ts('Error on no activity found'), false, false));
+    return $bag;
+  }
+
+  /**
+   * Returns the specification of the parameters of the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getParameterSpecification() {
+    $bag = new SpecificationBag([
+      new Specification('value', 'String', E::ts('Custom Field Value'), true),
+    ]);
+    return $bag;
+  }
+
+  /**
+   * Returns the specification of the output parameters of this action.
+   *
+   * This function could be overridden by child classes.
+   *
+   * @return SpecificationBag
+   */
+  public function getOutputSpecification() {
+    $bag = new SpecificationBag();
+    $bag->addSpecification(new Specification('activity_id', 'Integer', E::ts('Activity ID')));
+    return $bag;
+  }
+
+  /**
+   * Run the action
+   *
+   * @param ParameterBagInterface $parameters
+   *   The parameters to this action.
+   * @param ParameterBagInterface $output
+   *   The parameters this action can send back
+   *
+   * @return void
+   * @throws \Civi\ActionProvider\Exception\ExecutionException
+   */
+  protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
+    $customFieldId = $this->configuration->getParameter('custom_field');
+    $activity_type_ids = $this->configuration->getParameter('activity_type_id');
+    $status_ids = $this->configuration->getParameter('status_id');
+    $error = $this->configuration->getParameter('error');
+
+    $apiParams = [];
+    $apiParams['custom_'.$customFieldId] = $parameters->getParameter('value');
+    if ($activity_type_ids && is_array($activity_type_ids) && count($activity_type_ids)) {
+      $apiParams['activity_type_id']['IN'] = $activity_type_ids;
+    } elseif ($activity_type_ids && !is_array($activity_type_ids)) {
+      $apiParams['activity_type_id']['IN'] = explode(",", $activity_type_ids);
+    }
+    if ($status_ids && is_array($status_ids) && count($status_ids)) {
+      $apiParams['status_id']['IN'] = $status_ids;
+    } elseif ($status_ids && !is_array($status_ids)) {
+      $apiParams['status_id']['IN'] = explode(",", $status_ids);
+    }
+    $apiParams['options']['sort'] = 'activity_date_time DESC';
+    $apiParams['options']['limit'] = 1;
+    $apiParams['return'] = 'id';
+    try {
+      $activityId = civicrm_api3('Activity', 'getvalue', $apiParams);
+      $output->setParameter('activity_id', $activityId);
+    }
+    catch (CRM_Core_Exception $e) {
+      if ($error && empty($activity_id)) {
+        throw new ExecutionException(E::ts('Could not find an activity'));
+      }
+    }
+  }
+}

Civi/ActionProvider/Action/Activity/UpdateActivityStatus.php

@@ -8,6 +8,7 @@ namespace Civi\ActionProvider\Action\Activity;
 
 use Civi\ActionProvider\Action\AbstractAction;
 use Civi\ActionProvider\Parameter\OptionGroupByNameSpecification;
+use Civi\ActionProvider\Parameter\OptionGroupSpecification;
 use Civi\ActionProvider\Parameter\ParameterBagInterface;
 use Civi\ActionProvider\Parameter\Specification;
 use Civi\ActionProvider\Parameter\SpecificationBag;
@@ -24,7 +25,9 @@ class UpdateActivityStatus extends AbstractAction {
    * @return SpecificationBag
    */
   public function getConfigurationSpecification() {
-    return new SpecificationBag([]);
+    return new SpecificationBag([
+      new OptionGroupSpecification('status_id', 'activity_status', E::ts('Activity Status'), false)
+    ]);
   }
 
   /**
@@ -34,7 +37,7 @@ class UpdateActivityStatus extends AbstractAction {
    */
   public function getParameterSpecification() {
     $bag = new SpecificationBag([
-      new Specification('id', 'Integer', E::ts('Activity ID'), false),
+      new Specification('id', 'Integer', E::ts('Activity ID'), true),
       new Specification('status_id', 'Integer', E::ts('Status ID'), false),
     ]);
     return $bag;
@@ -43,7 +46,7 @@ class UpdateActivityStatus extends AbstractAction {
   /**
    * Returns the specification of the output parameters of this action.
    *
-   * This function could be overriden by child classes.
+   * This function could be overridden by child classes.
    *
    * @return SpecificationBag
    */
@@ -64,10 +67,14 @@ class UpdateActivityStatus extends AbstractAction {
   protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
     // Get the contact and the event.
     $activityParams['id'] = $parameters->getParameter('id');
-    $activityParams['status_id'] = $parameters->getParameter('status_id');
+    if ($parameters->getParameter('status_id')) {
+      $activityParams['status_id'] = $parameters->getParameter('status_id');
+    } else {
+      $activityParams['status_id'] = $this->configuration->getParameter('status_id');
+    }
     try {
       // Do not use api as the api checks for an existing relationship.
-      civicrm_api3('Activity', 'Create', $activityParams);
+      $result = civicrm_api3('Activity', 'Create', $activityParams);
     } catch (\Exception $e) {
       // Do nothing.
     }
@@ -75,4 +82,4 @@ class UpdateActivityStatus extends AbstractAction {
 
 
 
-}
\ No newline at end of file
+}

Civi/ActionProvider/Action/Activity/UploadAttachment.php

+<?php
+
+namespace Civi\ActionProvider\Action\Activity;
+
+use \Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\Parameter\FileSpecification;
+use \Civi\ActionProvider\Parameter\ParameterBagInterface;
+use \Civi\ActionProvider\Parameter\SpecificationBag;
+use \Civi\ActionProvider\Parameter\Specification;
+use \Civi\ActionProvider\Utils\CustomField;
+
+use CRM_ActionProvider_ExtensionUtil as E;
+
+class UploadAttachment extends AbstractAction {
+
+  /**
+   * Run the action
+   *
+   * @param ParameterInterface $parameters
+   *   The parameters to this action.
+   * @param ParameterBagInterface $output
+   *   The parameters this action can send back
+   * @return void
+   */
+  protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
+    $activity_id = $parameters->getParameter('activity_id');
+    $file = $parameters->getParameter('file');
+    $uploadNewOne = true;
+    if (empty($file)) {
+      $uploadNewOne = false;
+    } elseif (isset($file['id'])) {
+      $uploadNewOne = false;
+    }
+    try {
+      if (isset($file['id'])) {
+        civicrm_api3('Attachment', 'delete', array('id' => $file['id']));
+      }
+    } catch (\Exception $e) {
+      // Do nothing
+    }
+
+    $content = '';
+    if (isset($file['content'])) {
+      $content = base64_decode($file['content']);
+    } elseif (isset($file['url'])) {
+      $content = file_get_contents($file['url']);
+    }
+    if (empty($content)) {
+      return;
+    }
+
+    if ($uploadNewOne) {
+      $attachmentParams = [
+        'entity_table' => 'civicrm_activity',
+        'entity_id' => $activity_id,
+        'name' => $file['name'],
+        'content' => $content,
+        'mime_type' => $file['mime_type'],
+        'check_permissions' => FALSE,
+      ];
+      $result = civicrm_api3('Attachment', 'create', $attachmentParams);
+    }
+  }
+
+  /**
+   * Returns the specification of the configuration options for the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getConfigurationSpecification() {
+    return new SpecificationBag([]);
+  }
+
+  /**
+   * Returns the specification of the parameters of the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getParameterSpecification() {
+    $specs = new SpecificationBag();
+    $specs->addSpecification(new Specification('activity_id', 'Integer', E::ts('Activity ID'), true));
+    $specs->addSpecification(new FileSpecification('file', E::ts('File'), false));
+    return $specs;
+  }
+
+  /**
+   * Returns the specification of the output parameters of this action.
+   *
+   * This function could be overridden by child classes.
+   *
+   * @return SpecificationBag
+   */
+  public function getOutputSpecification() {
+    return new SpecificationBag();
+  }
+
+
+}

Civi/ActionProvider/Action/Activity/UploadCustomFileField.php

+<?php
+
+namespace Civi\ActionProvider\Action\Activity;
+
+use Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\ConfigContainer;
+use Civi\ActionProvider\Parameter\FileSpecification;
+use Civi\ActionProvider\Parameter\ParameterBagInterface;
+use Civi\ActionProvider\Parameter\SpecificationBag;
+use Civi\ActionProvider\Parameter\Specification;
+use Civi\ActionProvider\Utils\CustomField;
+
+use CRM_ActionProvider_ExtensionUtil as E;
+
+class UploadCustomFileField extends AbstractAction {
+
+  /**
+   * Run the action
+   *
+   * @param ParameterInterface $parameters
+   *   The parameters to this action.
+   * @param ParameterBagInterface $output
+   *   The parameters this action can send back
+   * @return void
+   */
+  protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output) {
+    $activity_id = $parameters->getParameter('activity_id');
+    $customFieldId = $this->configuration->getParameter('custom_field');
+    $file = $parameters->getParameter('file');
+    $deleteCurrentFile = false;
+    $uploadNewOne = true;
+    $updateCustomField = false;
+    if (empty($file)) {
+      $deleteCurrentFile = true;
+      $uploadNewOne = false;
+    } elseif (!isset($file['id'])) {
+      $deleteCurrentFile = true;
+    } elseif (isset($file['id'])) {
+      $uploadNewOne = false;
+    }
+    try {
+      $currentFile = civicrm_api3('Activity', 'getvalue', [
+        'id' => $activity_id,
+        'return' => 'custom_' . $customFieldId,
+        'options' => ['limit' => 1]
+      ]);
+      $currentFileId = $currentFile;
+      if (is_array($currentFile) && isset($currentFile['fid'])) {
+        $currentFileId = $currentFile['fid'];
+      }
+      if (isset($file['id']) && $currentFileId && $file['id'] != $currentFileId) {
+        $deleteCurrentFile = true;
+        $updateCustomField = $file['id'];
+      }
+      if (is_numeric($currentFileId) && $deleteCurrentFile) {
+        civicrm_api3('Attachment', 'delete', array('id' => $currentFileId));
+      }
+    } catch (\Exception $e) {
+      // Do nothing
+    }
+
+    $content = '';
+    if (isset($file['content'])) {
+      $content = base64_decode($file['content']);
+    } elseif (isset($file['url'])) {
+      $content = file_get_contents($file['url']);
+    }
+    if (empty($content)) {
+      return;
+    }
+
+    if ($uploadNewOne) {
+      $attachmentParams = [
+        'field_name' => 'custom_' . $customFieldId,
+        'entity_id' => $activity_id,
+        'name' => $file['name'],
+        'content' => $content,
+        'mime_type' => $file['mime_type'],
+        'check_permissions' => FALSE,
+      ];
+      $result = civicrm_api3('Attachment', 'create', $attachmentParams);
+      //Code above updates the custom field.
+      $updateCustomField = FALSE;
+    }
+    if ($updateCustomField) {
+      civicrm_api3('Activity', 'create', [
+        'id' => $activity_id,
+        'custom_' . $customFieldId => $updateCustomField,
+      ]);
+    }
+  }
+
+  /**
+   * Returns the specification of the configuration options for the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getConfigurationSpecification() {
+    $fileFields = array();
+    $config = ConfigContainer::getInstance();
+    $customGroups = $config->getCustomGroupsForEntity('Activity');
+    foreach ($customGroups as $customGroup) {
+      if (!empty($customGroup['is_active'])) {
+        $customFields = $config->getCustomFieldsOfCustomGroup($customGroup['id']);
+        foreach($customFields as $customField) {
+          if ($customField['data_type'] == 'File') {
+            $fileFields[$customField['id']] = $customGroup['title']. ' :: '.$customField['label'];
+          }
+        }
+      }
+    }
+
+    return new SpecificationBag([
+      new Specification('custom_field', 'Integer', E::ts('File field'), true, null, null, $fileFields, false),
+    ]);
+  }
+
+  /**
+   * Returns the specification of the parameters of the actual action.
+   *
+   * @return SpecificationBag
+   */
+  public function getParameterSpecification() {
+    $specs = new SpecificationBag();
+    $specs->addSpecification(new Specification('activity_id', 'Integer', E::ts('Activity ID'), TRUE));
+    $specs->addSpecification(new FileSpecification('file', E::ts('File'), FALSE));
+    return $specs;
+  }
+
+  /**
+   * Returns the specification of the output parameters of this action.
+   *
+   * This function could be overridden by child classes.
+   *
+   * @return SpecificationBag
+   */
+  public function getOutputSpecification() {
+    return new SpecificationBag();
+  }
+
+
+}

Civi/ActionProvider/Action/BulkMail/Actions.php

+<?php
+/**
+ * @author Jaap Jansma <jaap.jansma@civicoop.org>
+ * @license AGPL-3.0
+ */
+
+namespace Civi\ActionProvider\Action\BulkMail;
+
+use Civi\ActionProvider\Action\AbstractAction;
+use Civi\ActionProvider\Provider;
+use CRM_ActionProvider_ExtensionUtil as E;
+
+class Actions {
+
+  /**
+   * Load activity actions
+   *
+   * @param \Civi\ActionProvider\Provider $provider
+   */
+  public static function loadActions(Provider $provider) {
+    $provider->addAction('AddAttachmentToBulkMail', '\Civi\ActionProvider\Action\BulkMail\AddAttachment', E::ts('Mailing: Add attachment'), array(
+      AbstractAction::WITHOUT_CONTACT_ACTION_TAG,
+      AbstractAction::DATA_MANIPULATION_TAG,
+    ));
+    $provider->addAction('Send', '\Civi\ActionProvider\Action\BulkMail\Send',E::ts('Mailing: Create and send mass mailing') , array(
+      AbstractAction::SEND_MESSAGES_TO_CONTACTS,
+      'bulk_mail'
+    ));
+  }
+
+}

Civi/ActionProvider/Action/BulkMail/Send.php

@@ -54,6 +54,7 @@ class Send extends AbstractAction {
       new Specification('from_name', 'String', E::ts('From name'), false, null, null, null, False),
       new Specification('from_email', 'String', E::ts('From E-mail'), false, null, null, null, False),
       new Specification('replyto_email', 'String', E::ts('Reply to'), false, null, null, null, False),
+      new Specification('scheduled_date', 'Timestamp', E::ts('Scheduled date'), false, null, null, null, False),
     ));
     return $specs;
   }
@@ -61,7 +62,7 @@ class Send extends AbstractAction {
   /**
    * Returns the specification of the output parameters of this action.
    *
-   * This function could be overriden by child classes.
+   * This function could be overridden by child classes.
    *
    * @return SpecificationBag
    */
@@ -116,6 +117,9 @@ class Send extends AbstractAction {
     if ($parameters->doesParameterExists('template_options')) {
       $apiParams['template_options'] = $parameters->getParameter('template_options');
     }
+    if ($parameters->doesParameterExists('scheduled_date')) {
+      $scheduled_date = $parameters->getParameter('scheduled_date');
+    }
     $mailing = civicrm_api3('Mailing', 'Create', $apiParams);
 
     foreach($groupIds as $groupId) {
@@ -127,8 +131,13 @@ class Send extends AbstractAction {
     }
 
     // Now send the mailing
-    $now = new \DateTime();
-    $now->setTimezone(new \DateTimeZone('UTC'));
+    if(!empty($scheduled_date)) {
+      $now = new \DateTime($scheduled_date, new \DateTimeZone('UTC'));
+    }
+    else {
+      $now = new \DateTime();
+      $now->setTimezone(new \DateTimeZone('UTC'));
+    }
     $mailingSendParams['id'] = $mailing['id'];
     $mailingSendParams['scheduled_date'] = $now->format('Ymd His');
     civicrm_api3('Mailing', 'submit', $mailingSendParams);