G4UA::TestBoundariesUserActionTool Node1 G4UA::TestBoundariesUser ActionTool + TestBoundariesUserActionTool() # makeAndFillAction() Node2 G4UA::UserActionToolBase < TestBoundariesUserAction > # m_actions + UserActionToolBase() + fillUserAction() # makeAndFillAction() Node2->Node1 Node3 extends< AthAlgTool, IUserActionTool > Node3->Node2