Revit 2025.3 APIIFCExtrusionCreationDataClearOpenings Method Removes all cached openings from the data. Namespace: Autodesk.Revit.DB.IFCAssembly: RevitAPIIFC (in RevitAPIIFC.dll) Version: 25.3.0.0 (25.3.0.0)SyntaxC#VBC++F#public void ClearOpenings()Public Sub ClearOpeningspublic: void ClearOpenings()member ClearOpenings : unit -> unit See AlsoReferenceIFCExtrusionCreationData ClassAutodesk.Revit.DB.IFC NamespaceSend comments on this topic to Autodesk