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trigger

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Info.png
This entity is not in the FGD by default .
It should not be put directly in a map.
class hierarchy
CBaseTrigger defined in triggers.cpp
CBaseToggle
CBaseEntity

trigger is a brush entity available in all Source Source games. It's is a generic trigger entity.

As an entity prefix, trigger entities are spatial volumes (in other words, brushed-based entities) which trigger outputs depending on what touches them and how.

The two most common triggers are:

Several other trigger entities also exist.

See also