From Valve Developer Community
Revision as of 19:29, 12 February 2008 by Andreasen (Provided a RIGHT description.)
A partially transparent detail texture is blended on top of the base texture, according to the alpha channel of the detail texture.
Basic VMT Syntax
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- $basetexture <texture>
- $detail <texture>
- $detailscale <float>
- $surfaceprop <type>.