G4UA::DebugSteppingAction Node1 G4UA::DebugSteppingAction - m_iStep - m_x - m_p - m_xprev + DebugSteppingAction() + ~DebugSteppingAction() + UserSteppingAction() Node2 G4UserSteppingAction Node2->Node1 Node3 G4UA::DebugSteppingAction ::Config + step + numSteps Node3->Node1 -m_config