public function MessageGetFolderVersions($folder_item)
{
// $folder_item : CbgrnItemVersionType class or this array
$this->CheckAndSetHeader(__FUNCTION__);
$reg_args["folder_item"] = $this->getRegularArgs($folder_item, __FUNCTION__, "CbgrnItemVersionType");
$this->encodeString($reg_args);
$results = parent::MessageGetFolderVersions($reg_args);
$this->methodClose();
return $this->decodeString($results->folder_item);
}
