diff --git a/workflow/engine/src/BusinessModel/Task.php b/workflow/engine/src/BusinessModel/Task.php
index 6c12efd2e..7439cd74a 100644
--- a/workflow/engine/src/BusinessModel/Task.php
+++ b/workflow/engine/src/BusinessModel/Task.php
@@ -1027,14 +1027,14 @@ class Task
                     $oDataset2->setFetchmode(\ResultSet::FETCHMODE_ASSOC);
                     $oDataset2->next();
                     $aRow2 = $oDataset2->getRow();
-                    $aUsers[] = array('aas_uid' => $results['GRP_UID'],
-                                      'aas_name' => (!isset($aRow2['GROUP_INACTIVE']) ? $results['GRP_TITLE'] .
+                    $aUsers[] = array('ada_uid' => $results['GRP_UID'],
+                                      'ada_name' => (!isset($aRow2['GROUP_INACTIVE']) ? $results['GRP_TITLE'] .
                                            ' (' . $aRow2['MEMBERS_NUMBER'] . ' ' .
                                       ((int) $aRow2['MEMBERS_NUMBER'] == 1 ? \G::LoadTranslation('ID_USER') : \G::LoadTranslation('ID_USERS')).
                                       ')' . '' : $aRow['GRP_TITLE'] . ' ' . $aRow2['GROUP_INACTIVE']),
-                                      'aas_lastname' => "",
-                                      'aas_username' => "",
-                                      'aas_type' => "group" );
+                                      'ada_lastname' => "",
+                                      'ada_username' => "",
+                                      'ada_type' => "group" );
                 }
             }
             $oCriteria = new \Criteria('workflow');
@@ -1063,11 +1063,11 @@ class Task
             $oDataset->setFetchmode(\ResultSet::FETCHMODE_ASSOC);
             $oDataset->next();
             while ($aRow = $oDataset->getRow()) {
-                $aUsers[] = array('aas_uid' => $aRow['USR_UID'],
-                                  'aas_name' => $aRow['USR_FIRSTNAME'],
-                                  'aas_lastname' => $aRow['USR_LASTNAME'],
-                                  'aas_username' => $aRow['USR_USERNAME'],
-                                  'aas_type' => "user" );
+                $aUsers[] = array('ada_uid' => $aRow['USR_UID'],
+                                  'ada_name' => $aRow['USR_FIRSTNAME'],
+                                  'ada_lastname' => $aRow['USR_LASTNAME'],
+                                  'ada_username' => $aRow['USR_USERNAME'],
+                                  'ada_type' => "user" );
                 $oDataset->next();
             }
             return $aUsers;
@@ -1125,14 +1125,14 @@ class Task
                     $oDataset2->setFetchmode(\ResultSet::FETCHMODE_ASSOC);
                     $oDataset2->next();
                     $aRow2 = $oDataset2->getRow();
-                    $aUsers[] = array('aas_uid' => $results['GRP_UID'],
-                                      'aas_name' => (!isset($aRow2['GROUP_INACTIVE']) ? $results['GRP_TITLE'] .
+                    $aUsers[] = array('ada_uid' => $results['GRP_UID'],
+                                      'ada_name' => (!isset($aRow2['GROUP_INACTIVE']) ? $results['GRP_TITLE'] .
                                            ' (' . $aRow2['MEMBERS_NUMBER'] . ' ' .
                                       ((int) $aRow2['MEMBERS_NUMBER'] == 1 ? \G::LoadTranslation('ID_USER') : \G::LoadTranslation('ID_USERS')).
                                       ')' . '' : $aRow['GRP_TITLE'] . ' ' . $aRow2['GROUP_INACTIVE']),
-                                      'aas_lastname' => "",
-                                      'aas_username' => "",
-                                      'aas_type' => "group" );
+                                      'ada_lastname' => "",
+                                      'ada_username' => "",
+                                      'ada_type' => "group" );
                 }
             }
             $sDelimiter = \DBAdapter::getStringDelimiter();
@@ -1157,11 +1157,11 @@ class Task
             $oDataset->setFetchmode(\ResultSet::FETCHMODE_ASSOC);
             $oDataset->next();
             while ($aRow = $oDataset->getRow()) {
-                $aUsers[] = array('aas_uid' => $aRow['USR_UID'],
-                                  'aas_name' => $aRow['USR_FIRSTNAME'],
-                                  'aas_lastname' => $aRow['USR_LASTNAME'],
-                                  'aas_username' => $aRow['USR_USERNAME'],
-                                  'aas_type' => "user" );
+                $aUsers[] = array('ada_uid' => $aRow['USR_UID'],
+                                  'ada_name' => $aRow['USR_FIRSTNAME'],
+                                  'ada_lastname' => $aRow['USR_LASTNAME'],
+                                  'ada_username' => $aRow['USR_USERNAME'],
+                                  'ada_type' => "user" );
                 $oDataset->next();
             }
             return $aUsers;
@@ -1225,14 +1225,14 @@ class Task
                     $oDataset2->setFetchmode(\ResultSet::FETCHMODE_ASSOC);
                     $oDataset2->next();
                     $aRow2 = $oDataset2->getRow();
-                    $aUsers[] = array('aas_uid' => $results['GRP_UID'],
-                                      'aas_name' => (!isset($aRow2['GROUP_INACTIVE']) ? $results['GRP_TITLE'] .
+                    $aUsers[] = array('ada_uid' => $results['GRP_UID'],
+                                      'ada_name' => (!isset($aRow2['GROUP_INACTIVE']) ? $results['GRP_TITLE'] .
                                            ' (' . $aRow2['MEMBERS_NUMBER'] . ' ' .
                                       ((int) $aRow2['MEMBERS_NUMBER'] == 1 ? \G::LoadTranslation('ID_USER') : \G::LoadTranslation('ID_USERS')).
                                       ')' . '' : $aRow['GRP_TITLE'] . ' ' . $aRow2['GROUP_INACTIVE']),
-                                      'aas_lastname' => "",
-                                      'aas_username' => "",
-                                      'aas_type' => "group" );
+                                      'ada_lastname' => "",
+                                      'ada_username' => "",
+                                      'ada_type' => "group" );
                 }
             }
             $oCriteria = new \Criteria('workflow');
@@ -1253,11 +1253,11 @@ class Task
             $oDataset->setFetchmode(\ResultSet::FETCHMODE_ASSOC);
             $oDataset->next();
             while ($aRow = $oDataset->getRow()) {
-                $aUsers = array('aas_uid' => $aRow['USR_UID'],
-                                'aas_name' => $aRow['USR_FIRSTNAME'],
-                                'aas_lastname' => $aRow['USR_LASTNAME'],
-                                'aas_username' => $aRow['USR_USERNAME'],
-                                'aas_type' => "user" );
+                $aUsers = array('ada_uid' => $aRow['USR_UID'],
+                                'ada_name' => $aRow['USR_FIRSTNAME'],
+                                'ada_lastname' => $aRow['USR_LASTNAME'],
+                                'ada_username' => $aRow['USR_USERNAME'],
+                                'ada_type' => "user" );
                 $oDataset->next();
             }
             if (empty($aUsers)) {
diff --git a/workflow/engine/src/Services/Api/ProcessMaker/Project/Activity/Assignee.php b/workflow/engine/src/Services/Api/ProcessMaker/Project/Activity/Assignee.php
index 5d31be8f8..e6d727ec5 100644
--- a/workflow/engine/src/Services/Api/ProcessMaker/Project/Activity/Assignee.php
+++ b/workflow/engine/src/Services/Api/ProcessMaker/Project/Activity/Assignee.php
@@ -204,16 +204,16 @@ class Assignee extends Api
      *
      * @param string $prjUid
      * @param string $actUid
-     * @param string $ass_uid
-     * @param string $ass_type {@choice user,group}
+     * @param string $ada_uid
+     * @param string $ada_type {@choice user,group}
      *
      * @status 201
      */
-    public function doPostActivityAdhocAssignee($prjUid, $actUid, $ass_uid, $ass_type)
+    public function doPostActivityAdhocAssignee($prjUid, $actUid, $ada_uid, $ada_type)
     {
         try {
             $task = new \BusinessModel\Task();
-            $arrayData = $task->addTaskAdhocAssignee($prjUid, $actUid, $ass_uid, $ass_type);
+            $arrayData = $task->addTaskAdhocAssignee($prjUid, $actUid, $ada_uid, $ada_type);
         } catch (\Exception $e) {
             //response
             throw new RestException(Api::STAT_APP_EXCEPTION, $e->getMessage());