G4UA::RadLenNtupleTool Node1 G4UA::RadLenNtupleTool - m_config + RadLenNtupleTool() + initialize() # makeAndFillAction() Node2 G4UA::UserActionToolBase < RadLenNtuple > # m_actions + UserActionToolBase() + fillUserAction() # makeAndFillAction() Node2->Node1 Node3 extends< AthAlgTool, IUserActionTool > Node3->Node2