Substance Designer/Painter Usages

Type	Identifier	Usage
Ambient Occlusion	ambient_occlusion	ambientOcclusion
Anisotropy Angle	anisotropyangle	anisotropyangle
Anisotropy Level	anisotropylevel	anisotropylevel
Base Color	basecolor	basecolor
Color ID	id	colorID
Curvature	curvature	curvature
Diffuse	diffuse	diffuse
Height	height	height
IOR	ior	ior
Metallic	metallic	metallic
Normal	normal	normal
Position	position	position
Reflection	reflection	reflection
Roughness	roughness	roughness
Specular	specular	specular
Specular Level	specularlevel	specularlevel
Thickness	thickness	thickness
Transmissive	transmissive	transmissive
User 0	user0	user0
User 1	user1	user1
User 2	user2	user2
User 3	user3	user3
User 4	user4	user4
User 5	user5	user5
User 6	user6	user6
User 7	user7	user7
World space normals	world_space_normals	normalWS

Unity Shader Property Names

Legacy

• _MainTex (Texture, diffuse color in the RGB channels, transparency in the A channel)
• _Color (Color, diffuse color tint. This is multiplied by _MainTex)
• _SpecMap (Texture, specular map)
• _SpecColor (Color, specular color tint)
• _Shininess (Value or Slider, controls glossiness)
• _BumpMap (Texture, normal map)
• _TransparencyLM (Texture, rgb channels define colored transparency)
• _Illum (Texture, for emissive materials. This will be a mask of _MainTex * _Color)

Standard

• Albedo  (diffuse color)
• Normal (tangent space normal, if written)
• Emission
• Specular (specular power in 0..1 range)
• Gloss (specular intensity)
• Alpha (alpha for transparencies)

Physical (metallic)

• Albedo (base - diffuse or specular - color)
• Normal (tangent space normal, if written)
• Emission
• Metallic (0=non-metal, 1=metal)
• Smoothness (0=rough, 1=smooth)
• Occlusion (occlusion - default 1)
• Alpha (alpha for transparencies)

Physical (specular)

• Albedo (diffuse color)
• Specular (specular color)
• Normal (tangent space normal, if written)
• Emission
• Smoothness (0=rough, 1=smooth)
• Occlusion (occlusion  - default 1)
• Alpha (alpha for transparencies)