env_taubeam

This entity is not in the FGD by default.
It should not be put directly in a map.

env_taubeam is a point entity available in Black Mesa.

Warning:

• The {{{game}}} parameter is inconsistent with the name defined by the {{bms12}} template. This can most likely be fixed by setting the value of the {{{game}}} parameter to Black Mesa.
  If a parameter is consistent but you're still seeing this warning, it may be an issue with the template itself. Please discuss it on the template's talk page.

This is tau beam that used by the tau cannon when firing. It is available only in mod version of the game, not in Steam versions, replaced with other class that is not linked to an entity.

In the mod version, it is represented by class CEnvTauBeam. In Steam versions, it is represented by class CTauBeam.