P

PanelScheduleData.IsThirdPhaseHidden

Description:
True if the user wishes to hide the 3rd phase column of a single phase panel
[ObsoleteAttribute("This property is deprecated in Revit 2021 and may be removed in a later version of Revit. We suggest you use the 'isUnusedPhaseHidden' property instead.")]
public bool IsThirdPhaseHidden { get; set; }