[Ultraz]

Use GetVehicleComponentType variables & check sa-mp wikipedia's source.

Код:

public OnVehicleMod(playerid, vehicleid, componentid)
{
    new componentType = GetVehicleComponentType(componentid);
 
    if(componentType != -1)
    {
        new clientMessage[41];
 
        format(clientMessage, sizeof(clientMessage), "You have modified your vehicle on slot %i", componentType);
        SendClientMessage(playerid, 0xFFFFFFFF, clientMessage);
    }
    else
    {
        SendClientMessage(playerid, 0xFF0000FF, "The component is invalid.");
    }
 
    return 1;
}