[Karan007]

Код:

CMD:slapcar(playerid,params[])
{
  new Float:X;
foreach(Player, X)
	{
	    new surf = GetPlayerSurfingVehicleID(x);
		if(surf != INVALID_VEHICLE_ID)
		{
			new Float: fPos[3];
			GetPlayerPos(X, fPos[0], fPos[1], fPos[2]);
			SetPlayerPos(X, fPos[0], fPos[1], fPos[2]+5);
                }
	}
    return 1;
}

Is this what you want? Anyway, you need ZCMD for this command to work.