Portalimage (Material global keyword)
From modwiki
The information on this page is specific to Quake 4.Description
Controls which image to blend a visportals to when it's closing.
Usage
In the global section of your material shader type...
portalImage [map]
Parameters
- [map] - the relative path and file name to the specified portal image.
Notes
Usually the image used is "_black". See also the portaldistancefar and portaldistancenear keywords.

