[Deal-or-die]

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pawn Код:

#define PRESSED(%0) \
    (((newkeys & (%0)) == (%0)) && ((oldkeys & (%0)) != (%0)))

pawn Код:

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(PRESSED( KEY_CTRL_BACK ))
    {
        if(IsPlayerInAnyVehicle(playerid))
        {
            SendClientMessage(playerid, 0xFFFFFFFF, "/service");
        }
    }
    return 1;
}