Share Email Facebook Twitter LinkedIn KeyBasedTreeEntry.Key Property The key of this entry. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public string Key { get; }Property ValueString Remarks This value will be used to do retrieval, sort and comparison. This value should not be empty. See AlsoReferenceKeyBasedTreeEntry ClassAutodesk.Revit.DB Namespace