W pliku MyRun.cc  (zmiany kolorem czerwonym)
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#include "G4TrajectoryContainer.hh"
#include "G4VTrajectory.hh"
#include <iomanip>
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void MyRun::RecordEvent(const G4Event* evt)
{
 numberOfEvent++;

 G4TrajectoryContainer* container = evt->GetTrajectoryContainer();

 G4cout << "MyLog: number of particles processed in this event "
         << container->size() << G4endl;
 for (G4int i = 0; i < container->size(); i++)
  {
    G4VTrajectory* traj = (*container)[i];
    G4cout << "MyLog: particle name " << std::setw(8) << traj->GetParticleName()
           << "  initial momentum: " <<  std::setprecision(2) << std::setw(4) << traj->GetInitialMomentum() << G4endl;
  }
}