Arcade-Maniac/Source/Library/PackageCache/com.unity.render-pipelines.high-definition@11.0.0/Documentation~/snippets/shader-properties/surface-options/transmission.md

- **Transmission**

Indicates whether HDRP simulates the translucency of the material using a thickness map. Configure subsurface scattering and transmission settings using a Diffusion Profile. For more information, see documentation on Subsurface Scattering.
This property only appears when you select Subsurface Scattering from the Material Type drop-down.