void InternalRegisterChangeNotificationHandler ( const [FName](API\Runtime\Core\UObject\FName) & Key, const [FName](API\Runtime\Core\UObject\FName) & TypeName, const [FChangeNotificationHandler](API\Plugins\ConcertSyncClient\IConcertClientDataStore\FChangeNotificationHandler) & Handler, [EConcertDataStoreChangeNotificationOptions](API\Plugins\ConcertSyncClient\EConcertDataStoreChangeNotificat-) Options )