Chooses either a base value or an alternative, "switched" value based on the type of the incident ray.

Camera

Diffuse

Subsurface

Refraction

Hair

Volume

Shadow

Those toggles are used to enable or disable the switching behavior of the shader for the corresponding ray type.

Base Color

Base Float

Base Integer

Base Closure

Those values are output by the shader when switching is disabled for the incident ray's type.

Switched Color

Switched Float

Switched Integer

Switched Closure

Those values are output by the shader when switching is enabled for the incident ray's type.