Share Email Facebook Twitter LinkedIn CategoryNameMapIterator.Key Property Retrieves the category name that is the current focus of the iterator.Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0) Syntax C# public virtual string Key { get; }Property ValueString Remarks A new or Reset iterator must have MoveNext called on it before Current will return a valid key as per expected behavior of IEnumerator. See AlsoReferenceCategoryNameMapIterator ClassAutodesk.Revit.DB Namespace