public function ScheduleGetFacilityVersions($arg)
 {
     // $arg : CbgrnItemVersionType class or this Array
     $this->CheckAndSetHeader(__FUNCTION__);
     $reg_args["facility_item"] = $this->getRegularArgs($arg, __FUNCTION__, "CbgrnItemVersionType");
     $this->encodeString($reg_args);
     $results = parent::ScheduleGetFacilityVersions($reg_args);
     $this->methodClose();
     return $this->RetvalConvertArray($results->facility_item);
 }