Script help with Callbacks

[convolution223]

Look at Callback -> Calls the callback when entity is being looked by Player.
Interact Callback -> Calls the callback when entity is being interacted by Player.
Collide Callback -> Calls the callback when two different entities being collided (and when a Player enters an area, because both area and players are entities)
Use Item Callback -> Calls the callback when an item used on an entity.

Thanks but my problem is more on how do I use the level editor in conjunction with the .hps file to use these. Like, what do I type into those areas on the entity in the level editor? The name of the function, another name for the item, or something else entirely?