AlidNdPtTask *AddTaskdNdPt()
{
	
	AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
	
  if (!mgr) {
    ::Error("AddTaskdNdPt", "No analysis manager found.");
    return 0;
  }
	
	
  Bool_t hasMC=(AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler()!=0x0);
	//  Bool_t hasMC= kFALSE;
	
	
  // Switch off all AliInfo (too much output!!!)
  AliLog::SetGlobalLogLevel(AliLog::kError);
  mgr->SetDebugLevel(0);
	
  //
  // Create physics trigger selection class
  //
	
	
	// AliPhysicsSelection *physTrigSel =  new AliPhysicsSelection();
	
  //
  // Create event cuts
  //
  Float_t zvWindow = 30. ;
	
  AlidNdPtEventCuts *evtCuts = new AlidNdPtEventCuts("AlidNdPtEventCuts","Event cuts");
  evtCuts->SetZvRange(-zvWindow,zvWindow);
  evtCuts->SetMeanXYZv(0.0,0.0,0.0);
  evtCuts->SetSigmaMeanXYZv(1.0,1.0,10.0);
  evtCuts->SetTriggerRequired(kTRUE);
	
  //
  // Create geom. acceptance cuts
  //
  Float_t etaWindow = 1. ;
  Float_t ptMin = 0.10 ;
	
  AlidNdPtAcceptanceCuts *accCuts = new AlidNdPtAcceptanceCuts("AlidNdPtAcceptanceCuts","Geom. acceptance cuts");
  accCuts->SetEtaRange(-etaWindow,etaWindow);
  accCuts->SetPtRange(ptMin,1.e10);
  
  // cut out trouble sector(s)
  Float_t phiMin = TMath::Pi() / 9. * 6.;
  Float_t phiMax = TMath::Pi() / 9. * 7.;
  // additional cut to remove one sector
  AlidNdPtAcceptanceCuts *recCuts = new AlidNdPtAcceptanceCuts("AlidNdPtRecAcceptanceCuts","Geom. acceptance cuts for Recostructed tracks");  
  recCuts->SetExcludeEtaPhiRange(-1.,0.,phiMin,phiMax);
  
  
  //
  // Create standard esd track cuts
  //
  Int_t cutMode = 200;
	
  gROOT->LoadMacro("$ALICE_ROOT/PWGLF/SPECTRA/ChargedHadrons/dNdPt/macros/CreatedNdPtTrackCuts.C");  
  
	AliESDtrackCuts* esdTrackCuts = CreatedNdPtTrackCuts(cutMode);
  if (!esdTrackCuts) {
    printf("ERROR: esdTrackCuts could not be created\n");
    return;
  } else {
    esdTrackCuts->SetHistogramsOn(kTRUE);
    esdTrackCuts->SetMaxChi2TPCConstrainedGlobal(36.);
    esdTrackCuts->SetMaxChi2PerClusterITS(36.);    
  }
	
  //
  // Create task
  //
  AlidNdPtTask *task = new AlidNdPtTask("AlidNdPtTask");
  task->SetUseMCInfo(hasMC);
	
  // trigger selection: MB
  // task->SelectCollisionCandidates(AliVEvent::kMB);
	
	//
	// set analysis options from the Helper here
	//
	AlidNdPtHelper::OutputObject outputObject = AlidNdPtHelper::kAnalysisPbPb;
	AlidNdPtHelper::AnalysisMode analysisMode = AlidNdPtHelper::kTPCITS ;
	AlidNdPtHelper::ParticleMode particleMode = AlidNdPtHelper::kAllPart ;
	
	
  //
  // Create cut analysis object
  //
  if(outputObject==AlidNdPtHelper::kAnalysisPbPb){
    
		AlidNdPtAnalysisPbPb *fdNdPtAnalysisPbPb = new AlidNdPtAnalysisPbPb("dNdPtAnalysisPbPb","dN/dPt Analysis");
    fdNdPtAnalysisPbPb->SetEventCuts(evtCuts);
    fdNdPtAnalysisPbPb->SetAcceptanceCuts(accCuts);    
    fdNdPtAnalysisPbPb->SetTrackCuts(esdTrackCuts);
    fdNdPtAnalysisPbPb->SetAnalysisMode(analysisMode); 
    fdNdPtAnalysisPbPb->SetParticleMode(particleMode); 
    fdNdPtAnalysisPbPb->SetCentralityEstimator("V0M");      
    fdNdPtAnalysisPbPb->SetTriggerMask(AliVEvent::kCentral);
    //fdNdPtAnalysisPbPb->SetTriggerMask(AliVEvent::kEMC1);
    
    // cut to remove tpc sector
    //fdNdPtAnalysisPbPb->SetRecAcceptanceCuts(recCuts);
    
		// change binning
    const Int_t ptNbins = 81;
    Double_t bins[82] = {0.0, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 18.0, 20.0, 22.0, 24.0, 26.0, 28.0, 30.0, 32.0, 34.0, 36.0, 40.0, 45.0, 50.0, 60.0, 70.0, 80.0, 90.0, 100.0, 110.0, 120.0, 130.0, 140.0, 150.0, 160.0, 180.0, 200.0};
    Double_t* binsPt = new Double_t[82];
    for (int i=0; i<82; i++) {binsPt[i] = bins[i];}
    fdNdPtAnalysisPbPb->SetBinsPt(ptNbins, binsPt);
    fdNdPtAnalysisPbPb->SetBinsPtCorr(ptNbins, binsPt);  
		
    if(hasMC) 
    {
			
			fdNdPtAnalysisPbPb->SetUseMCInfo(kTRUE);
			fdNdPtAnalysisPbPb->SetHistogramsOn(kTRUE);
		}
		else 
		{ 
			// online trigger
			// fdNdPtAnalysisPbPb->SetPhysicsTriggerSelection(physTrigSel); 
		}
    task->AddAnalysisObject( fdNdPtAnalysisPbPb );
  }
	
  // Add task
  mgr->AddTask(task);
	
  // Create containers for input
  AliAnalysisDataContainer *cinput = mgr->GetCommonInputContainer();
  
	
  TString outputFileName = AliAnalysisManager::GetCommonFileName();
	
	AliAnalysisDataContainer *coutput  = mgr->CreateContainer("dNdPtPbPb", 
																														TList::Class(),
																														AliAnalysisManager::kOutputContainer, 	
																														Form("%s:dNdPtHistos", mgr->GetCommonFileName()));
	
	mgr->ConnectInput(task, 0, cinput);
	mgr->ConnectOutput(task, 1, coutput);
	
	return task;
	
}