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