Define Run Action + output in root

//DEFINING RUN ACTION
//............................................RUN.HH

#ifndef RUN_HH
#define RUN_HH

#include "G4UserRunAction.hh"

class MyRunAction: public G4UserRunAction
{
public:
   MyRunAction();
   ~MyRunAction();

   virtual void BeginOfRunaction(const G4Run*);
   virtual void EndOfRunaction(const G4Run*);
}

#endif

//...............................RUN.CC

#include "run.hh"

//definiamo il nostro costruttore e distruttore

MyRunAction::MyRunAction();
{}

MyRunAction::~MyRunAction();
{}

void MyRunAction::BeginOfRunaction(const G4Run*);
{
}

void MyRunAction::EndOfRunaction(const G4Run*);
{
}