void AddTask_PhotonQA(  TString V0ReaderCutNumber = "000000006008400100150000000", 
                        TString TaskCutnumber = "000000009009266374380000000",
                        Bool_t IsMC = kFALSE,
                        Int_t IsHeavyIon = 0,
                        Bool_t kHistograms = kTRUE, 
                        Bool_t kTree = kTRUE,
                        TString V0ReaderCutNumberAODBranch = "0000000060084001001500000", 
                        Bool_t doEtaShiftV0Reader = kFALSE 
                     ){
             
   // Suitable Cutnumbers for the V0 Reader for
   // PbPb: V0ReaderCutNumber =  "100000006008400100150000000"; (V0Mult MC)
   //  or   V0ReaderCutNumber =  "500000006008400100150000000" (TPC mult MC)
   // pPb: V0ReaderCutNumber =   "800000006008400100150000000";
   // pp: V0ReaderCutNumber =    "000000006008400100150000000";

   
   // ================= Load Librariers =================================
   gSystem->Load("libCore.so");  
   gSystem->Load("libTree.so");
   gSystem->Load("libGeom.so");
   gSystem->Load("libVMC.so");
   gSystem->Load("libPhysics.so");
   gSystem->Load("libMinuit");
   gSystem->Load("libSTEERBase");
   gSystem->Load("libESD");
   gSystem->Load("libAOD");
   gSystem->Load("libANALYSIS");
   gSystem->Load("libANALYSISalice");  
   gSystem->Load("libPWGGAGammaConv.so");
   gSystem->Load("libCDB.so");
   gSystem->Load("libSTEER.so");
   gSystem->Load("libSTEERBase.so");
   gSystem->Load("libTENDER.so");
   gSystem->Load("libTENDERSupplies.so");
      
   // ================== GetAnalysisManager ===============================
   AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
   if (!mgr) {
      Error(Form("AddTask_GammaConvV1_%i",trainConfig), "No analysis manager found.");
      return ;
   }

   // ================== GetInputEventHandler =============================
   AliVEventHandler *inputHandler=mgr->GetInputEventHandler();
   
   //========= Add PID Reponse to ANALYSIS manager ====
   if(!(AliPIDResponse*)mgr->GetTask("PIDResponseTask")){
      gROOT->LoadMacro("$ALICE_ROOT/ANALYSIS/macros/AddTaskPIDResponse.C");
      AddTaskPIDResponse(isMC);
   }

   AliAnalysisDataContainer *cinput = mgr->GetCommonInputContainer();
   if( !(AliV0ReaderV1*)mgr->GetTask("V0ReaderV1") ){
      AliV0ReaderV1 *fV0ReaderV1 = new AliV0ReaderV1("V0ReaderV1");
      
      fV0ReaderV1->SetUseOwnXYZCalculation(kTRUE);
      fV0ReaderV1->SetCreateAODs(kFALSE);// AOD Output
      fV0ReaderV1->SetUseAODConversionPhoton(kTRUE);

      if (!mgr) {
         Error("AddTask_V0ReaderV1", "No analysis manager found.");
         return;
      }

      // Set AnalysisCut Number
      AliConversionCuts *fCuts=NULL;
      if(V0ReaderCutNumber!=""){
         fCuts= new AliConversionCuts(V0ReaderCutNumber.Data(),V0ReaderCutNumber.Data());
         fCuts->SetPreSelectionCutFlag(kTRUE);
         if(fCuts->InitializeCutsFromCutString(V0ReaderCutNumber.Data())){
            if (IsHeavyIon==2){
               fCuts->SelectCollisionCandidates(AliVEvent::kINT7);
               fCuts->DoEtaShift(doEtaShiftV0Reader);
            }
            fV0ReaderV1->SetConversionCuts(fCuts);
            fCuts->SetFillCutHistograms("",kTRUE);
         }
      }
      
      
      if(inputHandler->IsA()==AliAODInputHandler::Class()){
         // AOD mode
         fV0ReaderV1->SetDeltaAODBranchName(Form("GammaConv_%s_gamma",cutnumberAODBranch.Data()));
      }
      fV0ReaderV1->Init();

      AliLog::SetGlobalLogLevel(AliLog::kInfo);

      //connect input V0Reader
      mgr->AddTask(fV0ReaderV1);
      mgr->ConnectInput(fV0ReaderV1,0,cinput);

   } else {
      Error("AddTask_V0ReaderV1", "Cannot execute AddTask, V0ReaderV1 already exists.");
   }   


   

   // suitable cuts for the photon Task, however in principle every cutnumber can be chosen which is used in the photon analysis:
   // PbPb:  TaskCutnumber = "568000106009266304480300000"; TPC mult in MC - 60-80% central
   //   or:  TaskCutnumber = "168000106009266304480300000"; V0 mult in MC  - 60-80% central
   //  pPb:  TaskCutnumber = "800000009009266374380000000";
   //   pp:  TaskCutnumber = "000000009009266374380000000";

    AliConversionCuts *analysisCuts = new AliConversionCuts();
	 analysisCuts->InitializeCutsFromCutString(TaskCutnumber.Data());
	 analysisCuts->SetFillCutHistograms("",kFALSE);
    
    AliAnalysisTaskConversionQA *fQA = new AliAnalysisTaskConversionQA(Form("%s_QA",TaskCutnumber.Data()));
    fQA->SetConversionCuts(analysisCuts,IsHeavyIon);
    fQA->FillType(kTree,kHistograms);
    fQA->SetIsMC(IsMC);
    mgr->AddTask(fQA);

    AliAnalysisDataContainer *cinput  = mgr->GetCommonInputContainer();
    AliAnalysisDataContainer *coutput =
       mgr->CreateContainer(Form("GammaConv_V1QA_%s",TaskCutnumber.Data()), TList::Class(),
                            AliAnalysisManager::kOutputContainer,Form("GammaConvV1_QA_%s.root",TaskCutnumber.Data()));


    mgr->ConnectInput(fQA,0,cinput);
    mgr->ConnectOutput(fQA,  1, coutput);

   //connect containers
   return;
}