+
+#=========================================================================
+# Create a sketch circle to extrude
+#=========================================================================
+aSession.startOperation()
+aCircleSketchFeature = featureToCompositeFeature(aPart.addFeature("Sketch"))
+origin = geomDataAPI_Point(aCircleSketchFeature.attribute("Origin"))
+origin.setValue(0, 0, 0)
+dirx = geomDataAPI_Dir(aCircleSketchFeature.attribute("DirX"))
+dirx.setValue(1, 0, 0)
+norm = geomDataAPI_Dir(aCircleSketchFeature.attribute("Norm"))
+norm.setValue(0, 0, 1)
+# Create circle
+aSketchCircle = aCircleSketchFeature.addFeature("SketchCircle")
+anCircleCentr = geomDataAPI_Point2D(aSketchCircle.attribute("CircleCenter"))
+aCircleRadius = aSketchCircle.real("CircleRadius")
+anCircleCentr.setValue(0., 57.74)
+aCircleRadius.setValue(50.)
+aSession.finishOperation()
+#=========================================================================
+# Make extrusion on circle
+#=========================================================================
+# Build shape from sketcher results
+aCircleSketchResult = aCircleSketchFeature.firstResult()
+aCircleSketchEdges = modelAPI_ResultConstruction(aCircleSketchResult).shape()
+origin = geomDataAPI_Point(aCircleSketchFeature.attribute("Origin")).pnt()
+dirX = geomDataAPI_Dir(aCircleSketchFeature.attribute("DirX")).dir()
+norm = geomDataAPI_Dir(aCircleSketchFeature.attribute("Norm")).dir()
+aCircleSketchFaces = ShapeList()
+GeomAlgoAPI_SketchBuilder.createFaces(origin, dirX, norm, aCircleSketchEdges, aCircleSketchFaces)
+assert(len(aCircleSketchFaces) > 0)
+assert(aCircleSketchFaces[0] is not None)
+# Create extrusion
+aSession.startOperation()
+anExtrusionFt = aPart.addFeature("Extrusion")
+assert (anExtrusionFt.getKind() == "Extrusion")
+# selection type FACE=4
+anExtrusionFt.selectionList("base").append(aCircleSketchResult, aCircleSketchFaces[0])
+anExtrusionFt.string("CreationMethod").setValue("BySizes")
+anExtrusionFt.real("to_size").setValue(50)
+anExtrusionFt.real("from_size").setValue(50)
+anExtrusionFt.real("to_offset").setValue(0) #TODO: remove
+anExtrusionFt.real("from_offset").setValue(0) #TODO: remove
+anExtrusionFt.execute()
+aSession.finishOperation()
+aCylinderBody = modelAPI_ResultBody(anExtrusionFt.firstResult())
+
+#=========================================================================
+# Create a cut
+#=========================================================================
+aSession.startOperation()
+aBooleanFt = aPart.addFeature("Boolean")
+aBooleanFt.selectionList("main_objects").append(anExtrusionBody, None)
+aBooleanFt.selectionList("tool_objects").append(aCylinderBody, None)
+aBooleanTypeCut = 0
+aBooleanFt.integer("bool_type").setValue(aBooleanTypeCut)
+aBooleanFt.execute()
+aSession.finishOperation()
+
+#=========================================================================
+# Move group feature
+#=========================================================================
+aSession.startOperation()
+aPart.moveFeature(aGroupFeature, aBooleanFt)
+aSession.finishOperation()
+
+#=========================================================================
+# Check results
+#=========================================================================
+aFactory = ModelAPI_Session.get().validators()
+assert(aFactory.validate(aGroupFeature))
+assert(aSelectionListAttr.size() == 1)
+assert(len(aGroupFeature.results()) > 0)
+aGroupResult = aGroupFeature.firstResult()
+assert(aGroupResult)
+assert(aGroupResult.shape())