Pythia8::EnhanceMPI Node1 Pythia8::EnhanceMPI - m_pTCut - m_passedEvent - m_nMPIVeto + EnhanceMPI() + ~EnhanceMPI() + doVetoMPIStep() + doVetoPartonLevel() + canVetoMPIStep() + numberVetoMPIStep() + canVetoISREmission() + canVetoFSREmission() + canVetoPartonLevel() Node2 UserHooks Node2->Node1