new Timer[MAX_PLAYERS];
forward Teste(playerid);

public OnPlayerCommandText(playerid, cmdtext[]){
if(strcmp( cmd, "/ativartimer", true ) == 0 ){
Timer[playerid] = SetTimerEx("Teste",1000,true,"i",playerid);
return 1;
}
return 1;
}

public Teste(playerid){
SendClientMessage(playerid,-1,"Olб");
return 1;
}

public OnPlayerDisconnect(playerid){
KillTimer(Timer[playerid]);
return 1;
}