VolumeFieldBase
VolumeFieldBase is an abstract schema that acts as the base class for all UsdVol field schemas. If you need to extend UsdVol with your own custom Field schemas, your Field schemas should directly or indirectly inherit from VolumeFieldBase.
Properties
Inherited Properties (Xformable)
xformOpOrder
USD type: token[]
Inherited Properties (Imageable)
proxyPrim
USD type: rel (relationship)
purpose
USD type: token
Fallback value: default
visibility
USD type: token
Fallback value: inherited