MuonWallSD Node1 MuonWallSD - m_tileTBID - m_nhits - m_hit - m_id - m_HitColl - s_nCellMu - s_nCellS - s_nCell + MuonWallSD() + ~MuonWallSD() + StartOfAthenaEvent() + Initialize() + ProcessHits() + EndOfAthenaEvent() Node2 G4VSensitiveDetector Node2->Node1