virtual void Init();
virtual void Make(AliFlowEventSimple* fEvent, AliFlowLYZEventPlane* fLYZEP);
+ virtual void GetOutputHistograms(TList *outputListHistos); //get pointers to all output histograms (called before Finish())
virtual void Finish();
void WriteHistograms(TString* outputFileName);
void WriteHistograms(TString outputFileName);