update

api/v3/FormProcessorInstance/List.php

@@ -11,9 +11,8 @@
  */
 function civicrm_api3_form_processor_instance_list($params) {
   $returnValues = array();
-  $form_processors = \CRM_FormProcessor_BAO_FormProcessorInstance::getValues(array(
-    'is_active' => 1,
-  ));
+  $params['is_active'] = 1;
+  $form_processors = \CRM_FormProcessor_BAO_FormProcessorInstance::getValues($params);
   foreach($form_processors as $form_processor) {
     $returnValues[$form_processor['name']] = array(
       'name' => $form_processor['name'],