-$cpageId = CRM_Utils_Request::retrieve('cpageId', 'Positive', CRM_Core_DAO::$_nullObject);
-$widgetId = CRM_Utils_Request::retrieve('widgetId', 'Positive', CRM_Core_DAO::$_nullObject);
-$format = CRM_Utils_Request::retrieve('format', 'Positive', CRM_Core_DAO::$_nullObject);
+$cpageId = CRM_Utils_Request::retrieve('cpageId', 'Positive');
+$widgetId = CRM_Utils_Request::retrieve('widgetId', 'Positive');
+$format = CRM_Utils_Request::retrieve('format', 'Positive');
+$includePending = CRM_Utils_Request::retrieve('includePending', 'Boolean');