Přidej tam definici proměnné "vehicleid": new vehicleid = GetPlayerVehicleID(playerid);
Takto by ti to mělo fungovat:
CMD:mise(playerid,params[])
{
new vehicleid = GetPlayerVehicleID(playerid);
if(GetVehicleModel(vehicleid) == 437)
{
ShowPlayerDialog(playerid,4,DIALOG_STYLE_LIST,"Misia Vodič Autobusu","Linka číslo 1","Potvrdit","Späť");
}
else return SCM(playerid,-1,"{FF0000}[!]{FFFFFF}Musíš byť v Autobuse!");
return 1;
}