Calling variables from another .cc file

Dear G4 users, I am new to geant4 and my programming skils with c++ are scarse.

I am modifying the example B1. I am trying to get the values of the total number of events to be run and the energy of the particles generated in the file

For the energy of the particles I have tried #include B1PrimaryGeneratorAction.hh and #include G4ParticleGun and getting the energy with something like fParticle->GetParticleEnergy()

And for the number of envents to be run I tried something simmilar getting the variable from the

No luck so far, any tips are more than wellcomed. And I am sorry for my lack of c++ control.