[denNorske]

pawn Код:

public OnPlayerCommandPerformed( playerid, cmdtext[ ], success )
{
    if(!success )
        return SendClientMessage( playerid, COLOR_GREY, "Your new unknown command text" );
    return 1; //OnPlayerCommandPerformed requires a value to be returned - sorry i didn't say that earlier 
}

Replace the text there with what you want it to return. This only works perfectly if you ONLY have ZCMD and only a GameMode, and not any FilterScripts.