USDPrim.ReferenceCollection Manages reference composition arcs on a prim. Declarationstruct ReferenceCollection TopicsInstance PropertiesprimInstance Methodsadd(_:position:)add(to:from:layerOffset:position:)add(to:layerOffset:position:)clear()remove(_:)set(_:) See AlsoComposing references and payloadsreferencesUSDPrim.ReferenceUSDPrim.PayloadUSDPrim.ListPosition