Share Email Facebook Twitter LinkedIn Document.CreationGUID Property A unique identifier generated when the Document was first created. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.1.0.0 (26.1.0.34) Syntax C# public Guid CreationGUID { get; }Property ValueGuid See AlsoReferenceDocument ClassAutodesk.Revit.DB Namespace