def demo_surfaceDeleteFaceFeatures_add(rootComp: adsk.fusion.Component): face = _ui.selectEntity('Select a face to delete.', 'Faces').entity faces = adsk.core.ObjectCollection.create() faces.add(face) surfaceDeleteFaceFeatures = rootComp.features.surfaceDeleteFaceFeatures deleteSurface = surfaceDeleteFaceFeatures.add(faces)