[KevinReinke]

Just some test code (it does send the message):

pawn Код:

public OnPlayerConnect(playerid)
{
    SetTimerEx("timer", 5000, true, "i", playerid);
    return 1;
}

forward timer(playerid);
public timer(playerid)
{
    SendClientMessage(playerid, -1, "timer runing");
}