need help with it is impossible to get 2 kill

[Duui YT]

call on eattacker thread twokills(); in onplayerdamage with last Reached

twokills()
{
   self scorelimit - 2
   wait 1.5;
   self scorelimit   1 
  //now how can i make it only for wheN someone gets 2 kills 
}

onLastReached() 
{
    self endon( "disconnect" );
    self endon( "cooldownSet" );
       
    for(;;) 
	{
	self freezeControls( true ); 
	self iprintlnbold("^6you are on ^1Last ^5go for a ^2trickshot");
        wait 1.5;
        self freezeControls( false );
        self notify( "cooldownSet" );
	}
}