Share Email Facebook Twitter LinkedIn Family.IsUserCreated Property Determine whether the family has been defined by the user. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.1.0.0 (26.1.0.34) Syntax C# public bool IsUserCreated { get; }Property ValueBoolean Remarks Some families are created internally and cannot be saved or reloaded. This function will return False for such internal families. See AlsoReferenceFamily ClassAutodesk.Revit.DB Namespace