void AddTask_GammaCalo_PbPb( 	  	Int_t trainConfig = 1,  //change different set of cuts
									Bool_t isMC   = kFALSE, //run MC 
									Int_t enableQAMesonTask = 0, //enable QA in AliAnalysisTaskGammaConvV1
									Int_t enableQAClusterTask = 0, // enable additional QA task
									TString fileNameInputForWeighting = "MCSpectraInput.root", // path to file for weigting input
									Int_t headerSelectionInt = 0,  // 1 pi0 header, 2 eta header, 3 both (only for "named" boxes)
									TString cutnumberAODBranch = "1000000060084000001500000",
									TString periodName = "LHC13d2",  //name of the period for added signals and weighting
                                    Bool_t doWeighting = kFALSE,  //enable Weighting
                                    Bool_t isUsingTHnSparse = kTRUE //enable or disable usage of THnSparses for background estimation
								) {

	// ================= Load Librariers =================================
	gSystem->Load("libCore");  
	gSystem->Load("libTree");
	gSystem->Load("libGeom");
	gSystem->Load("libVMC");
	gSystem->Load("libPhysics");
	gSystem->Load("libMinuit");
	gSystem->Load("libSTEERBase");
	gSystem->Load("libESD");
	gSystem->Load("libAOD");
	gSystem->Load("libANALYSIS");
	gSystem->Load("libANALYSISalice");  
	gSystem->Load("libCDB");
	gSystem->Load("libSTEER");
	gSystem->Load("libSTEERBase");
	gSystem->Load("libTender");
	gSystem->Load("libTenderSupplies");
	gSystem->Load("libPWGflowBase");
	gSystem->Load("libPWGflowTasks");
	gSystem->Load("libPWGGAGammaConv");
	
	Int_t isHeavyIon = 1;
	
	// ================== 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);
	}
	
	//=========  Set Cutnumber for V0Reader ================================
	TString cutnumberPhoton = "000000084001001500000000";
	TString cutnumberEvent = "1000000";
	AliAnalysisDataContainer *cinput = mgr->GetCommonInputContainer();

	//========= Add V0 Reader to  ANALYSIS manager if not yet existent =====
	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;
		}

		AliConvEventCuts *fEventCuts=NULL;
		if(cutnumberEvent!=""){
			fEventCuts= new AliConvEventCuts(cutnumberEvent.Data(),cutnumberEvent.Data());
			fEventCuts->SetPreSelectionCutFlag(kTRUE);
			if(fEventCuts->InitializeCutsFromCutString(cutnumberEvent.Data())){
				fV0ReaderV1->SetEventCuts(fEventCuts);
				fEventCuts->SetFillCutHistograms("",kTRUE);
			}
		}

		
		// Set AnalysisCut Number
		AliConversionPhotonCuts *fCuts=NULL;
		if(cutnumberPhoton!=""){
			fCuts= new AliConversionPhotonCuts(cutnumberPhoton.Data(),cutnumberPhoton.Data());
			fCuts->SetPreSelectionCutFlag(kTRUE);
			fCuts->SetIsHeavyIon(isHeavyIon);
			if(fCuts->InitializeCutsFromCutString(cutnumberPhoton.Data())){
				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::kFatal);

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

	}

	//================================================
	//========= Add task to the ANALYSIS manager =====
	//================================================
	AliAnalysisTaskGammaCalo *task=NULL;
	task= new AliAnalysisTaskGammaCalo(Form("GammaCalo_%i",trainConfig));
	task->SetIsHeavyIon(isHeavyIon);
	task->SetIsMC(isMC);
	// Cut Numbers to use in Analysis
	Int_t numberOfCuts = 5;

	TString *eventCutArray = new TString[numberOfCuts];
	TString *clusterCutArray = new TString[numberOfCuts];
	TString *mesonCutArray = new TString[numberOfCuts];

	// meson cuts
	// meson type (Dalitz or not), BG scheme, pool depth, rotation degrees, rapidity cut, radius cut, alpha, chi2, shared electrons, reject to close v0, MC smearing, dca, dca, dca
  
	if (trainConfig == 1){ // EMCAL clusters
		eventCutArray[ 0] = "6010001"; clusterCutArray[0] = "10000040032030000"; mesonCutArray[ 0] = "01631031000000"; // 0-5%
		eventCutArray[ 1] = "6120001"; clusterCutArray[1] = "10000040032030000"; mesonCutArray[ 1] = "01631031000000"; // 5-10%
		eventCutArray[ 2] = "5010001"; clusterCutArray[2] = "10000040032030000"; mesonCutArray[ 2] = "01631031000000"; // 0-10%
		eventCutArray[ 3] = "5240001"; clusterCutArray[3] = "10000040032030000"; mesonCutArray[ 3] = "01631031000000"; // 20-40%
		eventCutArray[ 4] = "5250001"; clusterCutArray[4] = "10000040032030000"; mesonCutArray[ 4] = "01631031000000"; // 20-50%
	} else if (trainConfig == 2){ // EMCAL clusters
		eventCutArray[ 0] = "6010001"; clusterCutArray[0] = "10000040032030000"; mesonCutArray[ 0] = "01631031000000"; // 0-5%
		eventCutArray[ 1] = "6120001"; clusterCutArray[1] = "10000040032030000"; mesonCutArray[ 1] = "01631031000000"; // 5-10%
		eventCutArray[ 2] = "5010001"; clusterCutArray[2] = "10000040032030000"; mesonCutArray[ 2] = "01631031000000"; // 0-10%
		eventCutArray[ 3] = "5120001"; clusterCutArray[3] = "10000040032030000"; mesonCutArray[ 3] = "01631031000000"; // 10-20%
		eventCutArray[ 4] = "5240001"; clusterCutArray[4] = "10000040032030000"; mesonCutArray[ 4] = "01631031000000"; // 20-40%		
	} else if (trainConfig == 3){ // EMCAL clusters
		eventCutArray[ 0] = "5460001"; clusterCutArray[0] = "10000040032030000"; mesonCutArray[ 0] = "01631031000000"; // 40-60%
		eventCutArray[ 1] = "5680001"; clusterCutArray[1] = "10000040032030000"; mesonCutArray[ 1] = "01631031000000"; // 60-80%
		eventCutArray[ 2] = "5260001"; clusterCutArray[2] = "10000040032030000"; mesonCutArray[ 2] = "01631031000000"; // 20-60%
		eventCutArray[ 3] = "5480001"; clusterCutArray[3] = "10000040032030000"; mesonCutArray[ 3] = "01631031000000"; // 40-80%
		eventCutArray[ 4] = "5250001"; clusterCutArray[4] = "10000040032030000"; mesonCutArray[ 4] = "01631031000000"; // 20-50%				
	} else if (trainConfig == 31){ // PHOS clusters
		eventCutArray[ 0] = "6010001"; clusterCutArray[0] = "20000040033200000"; mesonCutArray[ 0] = "01631031000000"; // 0-5%
		eventCutArray[ 1] = "6120001"; clusterCutArray[1] = "20000040033200000"; mesonCutArray[ 1] = "01631031000000"; // 5-10%
		eventCutArray[ 2] = "5010001"; clusterCutArray[2] = "20000040033200000"; mesonCutArray[ 2] = "01631031000000"; // 0-10%
		eventCutArray[ 3] = "5240001"; clusterCutArray[3] = "20000040033200000"; mesonCutArray[ 3] = "01631031000000"; // 20-40%
		eventCutArray[ 4] = "5250001"; clusterCutArray[4] = "20000040033200000"; mesonCutArray[ 4] = "01631031000000"; // 20-50%
	} else if (trainConfig == 32){ // PHOS clusters
		eventCutArray[ 0] = "6010001"; clusterCutArray[0] = "20000040033200000"; mesonCutArray[ 0] = "01631031000000"; // 0-5%
		eventCutArray[ 1] = "6120001"; clusterCutArray[1] = "20000040033200000"; mesonCutArray[ 1] = "01631031000000"; // 5-10%
		eventCutArray[ 2] = "5010001"; clusterCutArray[2] = "20000040033200000"; mesonCutArray[ 2] = "01631031000000"; // 0-10%
		eventCutArray[ 3] = "5120001"; clusterCutArray[3] = "20000040033200000"; mesonCutArray[ 3] = "01631031000000"; // 10-20%
		eventCutArray[ 4] = "5240001"; clusterCutArray[4] = "20000040033200000"; mesonCutArray[ 4] = "01631031000000"; // 20-40%		
	} else if (trainConfig == 33){ // PHOS clusters
		eventCutArray[ 0] = "5460001"; clusterCutArray[0] = "20000040033200000"; mesonCutArray[ 0] = "01631031000000"; // 40-60%
		eventCutArray[ 1] = "5680001"; clusterCutArray[1] = "20000040033200000"; mesonCutArray[ 1] = "01631031000000"; // 60-80%
		eventCutArray[ 2] = "5260001"; clusterCutArray[2] = "20000040033200000"; mesonCutArray[ 2] = "01631031000000"; // 20-60%
		eventCutArray[ 3] = "5480001"; clusterCutArray[3] = "20000040033200000"; mesonCutArray[ 3] = "01631031000000"; // 40-80%
		eventCutArray[ 4] = "5250001"; clusterCutArray[4] = "20000040033200000"; mesonCutArray[ 4] = "01631031000000"; // 20-50%						
	} else {
		Error(Form("GammaConvCalo_%i",trainConfig), "wrong trainConfig variable no cuts have been specified for the configuration");
		return;
	}

	TList *EventCutList = new TList();
	TList *ConvCutList = new TList();
	TList *ClusterCutList = new TList();
	TList *MesonCutList = new TList();

	TList *HeaderList = new TList();
	if (periodName.CompareTo("LHC13d2")==0){
		TObjString *Header1 = new TObjString("pi0_1");
		HeaderList->Add(Header1);
	//    TObjString *Header3 = new TObjString("eta_2");
	//    HeaderList->Add(Header3);

	} else if (periodName.CompareTo("LHC12a17x_fix")==0){
		TObjString *Header1 = new TObjString("PARAM");
		HeaderList->Add(Header1);
	} else if (periodName.CompareTo("LHC14a1a")==0){
		if (headerSelectionInt == 1){ 
			TObjString *Header1 = new TObjString("pi0_1");
			HeaderList->Add(Header1);
		} else if (headerSelectionInt == 2){
			TObjString *Header1 = new TObjString("eta_2");
			HeaderList->Add(Header1);
		} else {
			TObjString *Header1 = new TObjString("pi0_1");
			HeaderList->Add(Header1);
			TObjString *Header2 = new TObjString("eta_2");
			HeaderList->Add(Header2);
		}  
	} else if (periodName.CompareTo("LHC14a1b")==0 || periodName.CompareTo("LHC14a1c")==0){
		TObjString *Header1 = new TObjString("BOX");
		HeaderList->Add(Header1);
	}	

	TList *EventCutList = new TList();
	TList *ClusterCutList = new TList();
	TList *MesonCutList = new TList();


	EventCutList->SetOwner(kTRUE);
	AliConvEventCuts **analysisEventCuts = new AliConvEventCuts*[numberOfCuts];
	ClusterCutList->SetOwner(kTRUE);
	AliCaloPhotonCuts **analysisClusterCuts = new AliCaloPhotonCuts*[numberOfCuts];
	MesonCutList->SetOwner(kTRUE);
	AliConversionMesonCuts **analysisMesonCuts = new AliConversionMesonCuts*[numberOfCuts];

	for(Int_t i = 0; i<numberOfCuts; i++){
		analysisEventCuts[i] = new AliConvEventCuts();   
		analysisEventCuts[i]->InitializeCutsFromCutString(eventCutArray[i].Data());
		EventCutList->Add(analysisEventCuts[i]);
		analysisEventCuts[i]->SetFillCutHistograms("",kFALSE);
			
		analysisClusterCuts[i] = new AliCaloPhotonCuts();
		analysisClusterCuts[i]->InitializeCutsFromCutString(clusterCutArray[i].Data());
		ClusterCutList->Add(analysisClusterCuts[i]);
		analysisClusterCuts[i]->SetFillCutHistograms("");
		
		analysisMesonCuts[i] = new AliConversionMesonCuts();
		analysisMesonCuts[i]->InitializeCutsFromCutString(mesonCutArray[i].Data());
		MesonCutList->Add(analysisMesonCuts[i]);
		analysisMesonCuts[i]->SetFillCutHistograms("");
		analysisEventCuts[i]->SetAcceptedHeader(HeaderList);
	}
	task->SetEventCutList(numberOfCuts,EventCutList);
	task->SetCaloCutList(numberOfCuts,ClusterCutList);
	task->SetMesonCutList(numberOfCuts,MesonCutList);
	task->SetDoMesonAnalysis(kTRUE);
	task->SetDoMesonQA(enableQAMesonTask); //Attention new switch for Pi0 QA
	task->SetDoClusterQA(enableQAClusterTask);  //Attention new switch small for Cluster QA
    task->SetUseTHnSparse(isUsingTHnSparse);

	//connect containers
	AliAnalysisDataContainer *coutput =
		mgr->CreateContainer(Form("GammaCalo_%i",trainConfig), TList::Class(),
							AliAnalysisManager::kOutputContainer,Form("GammaCalo_%i.root",trainConfig));

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

	return;

}