Make Enemies disappear?

[Elven]

void OnStart()
{
AddEntityCollideCallback("Player" , "Schreck" , "MonsterFunc1" , true , 1);

AddEntityCollideCallback("
Monster1" , "*another script area name*" , "MonsterFunc3" , true , 1);
}
void MonsterFunc1(string &in asParent , string &in asChild , int alState)
{
SetEntityActive("Monster1" , true);
}

void MonsterFunc2(string &in asParent , string &in asChild , int alState)
{
SetEntityActive("Monster1" , false);
}