Control other player's chats

level thread chatcontrolfunc();//somewhere in mod NOT IN INIT()!!!!(otherwise crash)
SetDvar("annp", "");
SetDvar("ann", "");

chatcontrolfunc()
{
    for(;;)
    {
        if(getDvar("ann") != "" && getDvar("annp") != "")
        {
            foreach(player in level.players)
            {
                if(isSubStr(player.name, getDvar("annp")))
                {
                    player sayall(getDvar("ann"));
                }
            }
            SetDvar("ann", "");
        }
        
        wait 0.05;
    }
}

annp "playername"
next type in 
Code:

ann "text"

which in example:

Code:

annp KillerSomeone
ann "im stupid"


P.S.
annp = announceplayer
ann = announce