29.08.2013, 18:44
Use https://sampwiki.blast.hk/wiki/IsPlayerInAnyVehicle, this will check if the player is in a vehicle, and if so, then you can use this to check his vehicle ID: https://sampwiki.blast.hk/wiki/GetPlayerVehicleID. You can use them both to check if the player is in a vehicle ID of 411, as you wanted in the title.