How to trigger an entity with another entity

Kazreal

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I am trying to figure this out, but with no luck. (for HL2DM)

I would like to trigger an entity with another entity, not triggered by the player, for example, an entity is triggered by a basket ball entering a hoop, but the trigger can only be activated by the "ball".

So far, I thought I could create a nodraw brush inside the hoop, and then tie it to a trigger_multiple entity. Then define a filter name that is tied to a filter_activator_name entity to filter the trigger to only be activated by ball.

Actually, I haven't had any luck activating it with an entity, even
without a filter.

Ball= prop_physics_multiplayer (no I/O set)
hoop=trigger_multiple (Input of "ontrigger" display game_text or env_message, etc.). Also, phys_objects flags was checked for the trigger.

Anyone done something like this before? Mint did it, but his solution is a mystery...
 
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