aPlane = aPartSet.addFeature("Plane")
aPlane.string("CreationMethod").setValue("PlaneByFaceAndDistance")
aPlane.real("distance").setValue(0)
-aPlane.selection("planeFace").selectSubShape("face", "Part_1/Extrusion_1_1/LateralFace_2")
+aPlane.selection("planeFace").selectSubShape("face", "Part_1/Extrusion_1_1/LateralFace_3")
aSession.finishOperation()
#=========================================================================