AddOutput (Source 2)
This is an input available in all Source 2 games. It lets mappers change the properties of an entity.
AddOutput exists in a barebone ways in Source 2 and has a lot of quirks. You are unable to edit a lot of keyvalues without 3rd party plugins.
Note:Syntax is differs from Source 1. Syntax example with NO parameters in Source 2:
Output>Targetname>Input>Parameter>Delay>MaxTimesToFire