diff --git a/workflow/engine/classes/class.pmFunctions.php b/workflow/engine/classes/class.pmFunctions.php
index 8c7d241da..1f9836e5d 100755
--- a/workflow/engine/classes/class.pmFunctions.php
+++ b/workflow/engine/classes/class.pmFunctions.php
@@ -3519,3 +3519,31 @@ function PMFAssociateUploadedFilesWithInputFile($inputDocumentUid, $gridVariable
     }
 }
 
+/**
+ * @method
+ *
+ * Remove users from a group
+ *
+ * @name PMFRemoveUsersToGroup
+ * @label PMF Remove users from a group
+ * @link http://wiki.processmaker.com/index.php/ProcessMaker_Functions#PMFRemoveUsersToGroup.28.29
+ *
+ * @param string | $groupId | Group Uid | The unique Uid of the group.
+ * @param array | $users | Array of users | Array of users to remove.
+ *
+ * @return  array | $result | array
+ */
+function PMFRemoveUsersToGroup($groupUid, array $users)
+{
+    try {
+        $user = new \ProcessMaker\BusinessModel\Group\User();
+
+        $result = $user->unassignUsers($groupUid, $users);
+
+        //Return
+        return $result;
+    } catch (Exception $e) {
+        throw $e;
+    }
+}
+
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Group/User.php b/workflow/engine/src/ProcessMaker/BusinessModel/Group/User.php
index d5bc7c5a0..8b96603d3 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Group/User.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Group/User.php
@@ -307,5 +307,61 @@ class User
             throw $e;
         }
     }
+
+    /**
+     * Unassign users to group
+     *
+     * @param string $groupUid  Unique id of Group
+     * @param array  $arrayData Data uid of Users
+     *
+     * @return array Return result
+     */
+    public function unassignUsers($groupUid, array $users)
+    {
+        try {
+            $user = new \ProcessMaker\BusinessModel\User();
+
+            $result = [];
+
+            foreach ($users as $value) {
+                $userUid = $value;
+                $flagRemove = 1;
+
+                //Verify data
+                $arrayUserData = $user->getUserRecordByPk($userUid, [], false);
+
+                if ($arrayUserData === false) {
+                    $result[$userUid] = 'USER_NOT_EXISTS';
+                    $flagRemove = 0;
+                }
+
+                if ($flagRemove == 1 && $arrayUserData['USR_STATUS'] == 'CLOSED') {
+                    $result[$userUid] = 'USER_CLOSED';
+                    $flagRemove = 0;
+                }
+
+                $groupUser = \GroupUserPeer::retrieveByPK($groupUid, $userUid);
+
+                if ($flagRemove == 1 && is_null($groupUser)) {
+                    $result[$userUid] = 'USER_NOT_BELONG_TO_GROUP';
+                    $flagRemove = 0;
+                }
+
+                //Remove
+                $group = new \Groups();
+
+                if ($flagRemove == 1) {
+                    $group->removeUserOfGroup($groupUid, $userUid);
+
+                    $result[$userUid] = 'USER_SUCCESSFULLY_REMOVED';
+                }
+            }
+
+            //Return
+            return $result;
+        } catch (\Exception $e) {
+            throw $e;
+        }
+    }
 }