Share Email Facebook Twitter LinkedIn AnalyticalSurfaceBase.SketchId Property Sketch associated to this Revit element. Namespace: Autodesk.Revit.DB.StructureAssembly: RevitAPI (in RevitAPI.dll) Version: 26.1.0.0 (26.1.0.34) Syntax C# public ElementId SketchId { get; }Property ValueElementId Remarks Analytical Element may not have a valid sketch. To edit the sketch profile you can use SetOuterContour(CurveLoop) or [!:Autodesk::Revit::DB::SketchEditScope]. See AlsoReferenceAnalyticalSurfaceBase ClassAutodesk.Revit.DB.Structure Namespace