Todo List#
- Class usdrt::UsdGeomModelAPI
- CreatePayload() For any described attribute Fallback Value or Allowed Values below that are text/tokens, the actual token is published and defined in UsdGeomTokens. So to set an attribute to the value “rightHanded”, use UsdGeomTokens->rightHanded as the value. 
- Class usdrt::UsdModelAPI
- establish an _IsCompatible() override that returns IsModel() - GetModelInstanceName() 
- Member usdrt::UsdShadeNodeGraph::CreateInput (const TfToken &name, const SdfValueTypeName &typeName) const
- clarify error behavior if typeName does not match existing, defined attribute - should match UsdPrim::CreateAttribute - bug/108970