update

CRM/Contact/Form/DataProcessorContactSummaryTab.php

@@ -129,7 +129,10 @@ class CRM_Contact_Form_DataProcessorContactSummaryTab extends CRM_DataprocessorS
         2 => $datasource_name
       )));
     }
-    $fieldSpecification  =  clone $dataSource->getAvailableFilterFields()->getFieldSpecificationByName($field_name);
+    $fieldSpecification  =  $dataSource->getAvailableFilterFields()->getFieldSpecificationByAlias($field_name);
+    if (!$fieldSpecification) {
+      $fieldSpecification  =  $dataSource->getAvailableFilterFields()->getFieldSpecificationByName($field_name);
+    }
     if (!$fieldSpecification) {
       throw new FieldNotFoundException(E::ts("Requires a field with the name '%1' in the data source '%2'. Did you change the data source type?", array(
         1 => $field_name,
@@ -137,6 +140,7 @@ class CRM_Contact_Form_DataProcessorContactSummaryTab extends CRM_DataprocessorS
       )));
     }
 
+    $fieldSpecification = clone $fieldSpecification;
     $fieldSpecification->alias = 'contact_summary_tab_contact_id';
     $dataFlow = $dataSource->ensureField($fieldSpecification);
     if ($dataFlow && $dataFlow instanceof SqlDataFlow) {

README.md

@@ -22,6 +22,12 @@ The extension is licensed under [AGPL-3.0](LICENSE.txt).
 * [Using API output to fetch the results in data processor](docs/HowToAddAPIDataOutput.md)
 * How to export and import a data processor
 
+## Related extenions
+
+* [dataprocessor-token-output](https://lab.civicrm.org/extensions/dataprocessor-token-output) Create tokens from a data processor
+* [dataprocessor-vega-graphs](https://lab.civicrm.org/extensions/dataprocessor-vega-graphs) Graph output of a dataprocessor
+
+
 ## Developer documentation
 
 * Enhancing the data processor