How to script a monster halluncation?

[Shives]

Hi
I want to know how to script this:
The monster dissapears in smoke when you are entering an area
I just know the halluncation but how to script this?
Sorry for bad english .

[Khyrpa]

SetEnemyIsHallucination(string& asName, bool abX);

FadeEnemyToSmoke(string& asName, bool abPlaySound);

[Tripication]

There is also a box on the entity tab on the level editor for the monster.