Share Email Facebook Twitter LinkedIn ScheduleFilter.SetNullValue Method Sets the filter to have no specified value (used for HasParameter filters). Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0) Syntax C# public void SetNullValue() See AlsoReferenceScheduleFilter ClassAutodesk.Revit.DB Namespace