Es passiert Ingame nichts?

[pwn]ocmd:uclight(playerid,params[])
{
if(!isPlayerInFrakt(playerid,1))return SendClientMessage(playerid,ROT,"[Fehler]{FFFFFF} Du bist kein Beamter.");
AttachObjectToVehicle(sirene[GetPlayerVehicleID(playerid)],GetPlayerVehicleID(playerid),0 ,2.6,0,0,0,0);//Vorne Mitte
AttachObjectToVehicle(sirene1[GetPlayerVehicleID(playerid)],GetPlayerVehicleID(playerid),-0.5,0.0,0.85,0,0,0);//Dach sirene
AttachObjectToVehicle(sirene2[GetPlayerVehicleID(playerid)],GetPlayerVehicleID(playerid),0.7,2.6,0,0,0,0);//Vorne Licht Beifahrerseite
AttachObjectToVehicle(sirene3[GetPlayerVehicleID(playerid)],GetPlayerVehicleID(playerid),-0.7,2.6,0,0,0,0);//Vorne Licht Fahrerseite
return 1;
}[/pwn]

@Vincent Petritz: