public function ScheduleModifyEvents($arg)
 {
     // $arg : CbgrnEventType class or array of CbgrnEventType
     $this->CheckAndSetHeader(__FUNCTION__);
     $reg_args["schedule_event"] = $this->getRegularArgs($arg, __FUNCTION__, "CbgrnEventType");
     $this->encodeString($reg_args);
     $results = parent::ScheduleModifyEvents($reg_args);
     $this->methodClose();
     $ret_val = array();
     if (is_array($results->schedule_event)) {
         foreach ($results->schedule_event as $event) {
             $ret_val[] = new CbgrnEventType($event);
         }
     } else {
         $ret_val[] = new CbgrnEventType($results->schedule_event);
     }
     return $this->decodeString($ret_val);
 }