Share Email Facebook Twitter LinkedIn Entity Constructor The default-constructed Entity is invalid. Namespace: Autodesk.Revit.DB.ExtensibleStorageAssembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0) Syntax C# public Entity() Remarks Invalid entities may be used as token values. E.g., setting an invalid subentity is equivalent to deleting the stored one. See AlsoReferenceEntity ClassEntity OverloadAutodesk.Revit.DB.ExtensibleStorage Namespace