trigger_standoff
This entity is Obsolete. Its use is discouraged, and it may only exist/function in older engine branches.
It has since been replaced by trigger_finale.
It has since been replaced by trigger_finale.
This entity is not in the game by default, but got left over in the FGD.
This feature is not available anymore.
This feature is not available anymore.
trigger_standoff is a point entity available in 
Left 4 Dead series. Intended use of this entity is unknown, but based on leftover keyvalues and I/O, this entity seems to be a mix of func_button_timed and trigger_finale entities's functionality.
