[[O.z]Caroline]

Procure por OnPlayerConnect e bote:

pawn Код:

new mess[100]; 
    format(mess,sizeof(mess),"%s Entrou no servidor (:",GetPName(playerid)); 
    printf(mess); 
    SendClientMessageToAll(VerdeAmarelo,mess);

Coloque no OnPlayerDisconnect:

pawn Код:

new mess[100]; 
    format(mess,sizeof(mess),"%s saiu do servidor :(",GetPName(playerid)); 
    printf(mess); 
    SendClientMessageToAll(VerdeAmarelo,mess);

no final do GM

pawn Код:

GetPName(playerid){ 
    new name[MAX_PLAYER_NAME]; 
    GetPlayerName(playerid, name, sizeof(name)); 
    return name; 
}

[...].