Share Email Facebook Twitter LinkedIn EnergyAnalysisSurface.Normal Property The outward normal for this surface. Namespace: Autodesk.Revit.DB.AnalysisAssembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0) Syntax C# public XYZ Normal { get; }Property ValueXYZ See AlsoReferenceEnergyAnalysisSurface ClassAutodesk.Revit.DB.Analysis Namespace