[Solved]something like onPlayerDisconnect()?

[ch40s]

Hey there,
so i want to set the same killstreaks for each player. I've done that with setPlayerData().
Of course i saved the original values for each player before changing it, so i could restore them. The problem is, i don't know when to call the restore function. When i "force" it manually, the code works, but i want it to automatically get called when a player leaves the game, or the game ends (not sure if this counts as the same, since the player leaves the game when it ends).
So i tried something like:

restore()
{
    for(;;)
    {
        level waittill( "disconnected", player);
        player restoreKillstreaks();
    }
}

where restore() gets called as a level thread on host connect (it works if i set it to waittill onplayercommand(blabla) ).
This is also how the onPlayerDisconnect function is written (forgot in what gsc, but i think it is in skill.gsc for example)
I also tried

level waittill_any("disconnected","disconnect","leaving","game_ended");

But that does not work either.
The only that is working, is when the game ends (it ends under special circumstances), with

level thread maps\mp\gametypes\_gamelogic::forceEnd();
foreach(player in level.players)
	player restoreKillstreaks();

Anyone got ideas on how to accomplish this?

thx
greetz