[newbienoob]

Try this

pawn Код:

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    if(oldstate == PLAYER_STATE_DRIVER && newstate == PLAYER_STATE_ONFOOT)
    {
        new pName[24];
        new string[128];
        GetPlayerName(playerid, pName, 24);
        format(string, 128, "* %s has left the vehicle.", pName);
        SendClientMessage(playerid, 0xFFFFFFFF, string);
        return 1;
    }
    return 1;
}

Use OnPlayerStateChange