Share Email Facebook Twitter LinkedIn ExternallyTaggedGeometryObject.ExternalId Property The external Id of the geometry object. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public ExternalGeometryId ExternalId { get; }Property ValueExternalGeometryId See AlsoReferenceExternallyTaggedGeometryObject ClassAutodesk.Revit.DB Namespace