Revit 2023 APIReference ClassMembers See Also A stable reference to a geometric object in a Revit model.Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 23.0.0.0 (23.1.0.0)SyntaxC#public class Reference : APIObjectVisual BasicPublic Class Reference _ Inherits APIObjectVisual C++public ref class Reference : public APIObjectInheritance HierarchySystem..::..Object Autodesk.Revit.DB..::..APIObject Autodesk.Revit.DB..::..ReferenceSee AlsoReference MembersAutodesk.Revit.DB Namespace