Use Triggers. :D
datablock TriggerData(DeathTrigger){
tickPeriodMS = 100;
};
function DeathTrigger::onEnterTrigger(%this, %trigger, %obj){
if(%obj.getclassname() $="Player" || %obj.getclassname() $="AIPlayer")
{
%obj.kill();
}
Parent::onEnterTrigger(%this, %trigger, %obj);
}
new Trigger(DeathTrig) {
position = "-694.72 -0.57158 124.6";
rotation = "1 0 0 0";
scale = "1 1 1";
dataBlock = "DeathTrigger";
polyhedron = "0.0000000 0.0000000 0.0000000 1.0000000 0.0000000 0.0000000 0.0000000 -1.0000000 0.0000000 0.0000000 0.0000000 1.0000000";
};