$detail

The $detail VMT parameter specifies the VTF texture to use for adding detail to the material surface.

• Greyscale image usually used (in conjunction with "$detailscale") to add higher resolution detail to the $basetexture.

Basic VMT Syntax

"$detail" "Path/DetailmapA" 

• where Path is the filepath relative to the game_directory/materials folder.
• where DetailmapA is the filename; ie DetailmapA.vtf.

• Notice the .vtf file extension is not used in VMT texture references.

Additional Parameters

$detailscale

"$detailscale" float 

• Scales $detail texture where float value is the scale factor.

$detailframe

"$detailframe" 

• dx9
• TO DO

$detail_alpha_mask_base_texture

"$detail_alpha_mask_base_texture" 

• dx9
• TO DO ... something to do with masking by the alpha channel of either $basetexture or $detail?