asset_preparation::v1::material::LibraryVolumeOpticalProperties Struct Reference Last update: 16.07.2025 The library volume optical properties of a material. More... Public Attributesgoogle::protobuf::Int32Value volume_material_id = 1 Detailed Description The library volume optical properties of a material. Member Data Documentation ◆ volume_material_id google::protobuf::Int32Value asset_preparation::v1::material::LibraryVolumeOpticalProperties::volume_material_id = 1 The identifier of the volume material referenced in the material. NoteThe volume material reference can be removed by setting the value '-1'. The documentation for this struct was generated from the following file:material_description.proto