Share Email Facebook Twitter LinkedIn EnergyAnalysisOpening.OpeningId Property The unique identifier for the opening. Namespace: Autodesk.Revit.DB.AnalysisAssembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0) Syntax C# public string OpeningId { get; }Property ValueString Remarks This identification attribute is composed of the id for the parent surface, the prefix "op" and a sequential number, all separated by "-". A sample value would be "su-1-op-1". See AlsoReferenceEnergyAnalysisOpening ClassAutodesk.Revit.DB.Analysis Namespace