AliAnalysisTask *AddTask_caklein_LMEEPbPb_AOD(Char_t* outputFileName="LMEEoutput.root", 
 Bool_t flag1=kFALSE, Bool_t flag2=kFALSE, Bool_t getFromAlien=kFALSE, 
 Int_t triggerNames=(AliVEvent::kMB+AliVEvent::kCentral+AliVEvent::kSemiCentral), Int_t collCands=AliVEvent::kAny) 
{
  Bool_t bESDANA=kFALSE; //Autodetect via InputHandler
  //get the current analysis manager
  AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
  if (!mgr) {
    Error("AddTask_caklein_LMEEPbPb_AOD", "No analysis manager found.");
    return 0;
  }
  
  //  create task and add it to the manager
  //	gSystem->AddIncludePath("$ALICE_ROOT/PWGDQ/dielectron/macrosLMEE");
  
  TString configBasePath("$TRAIN_ROOT/caklein_lowmass/");
  TString trainRoot=gSystem->Getenv("TRAIN_ROOT");
  if (trainRoot.IsNull()) configBasePath= "$ALICE_ROOT/PWGDQ/dielectron/macrosLMEE/";
  
  
  //Load updated macros from private ALIEN path
  if (getFromAlien //&&
      && (!gSystem->Exec("alien_cp alien:///alice/cern.ch/user/c/cklein/PWGDQ/dielectron/macrosLMEE/Config_caklein_LMEEPbPb_AOD.C ."))
      && (!gSystem->Exec("alien_cp alien:///alice/cern.ch/user/c/cklein/PWGDQ/dielectron/macrosLMEE/LMEECutLib_caklein.C ."))
      ) {
    configBasePath=Form("%s/",gSystem->pwd());
  }
  
  TString configFile("Config_caklein_LMEEPbPb_AOD.C");
  TString configLMEECutLib("LMEECutLib_caklein.C");
  
  TString configFilePath(configBasePath+configFile);
  TString configLMEECutLibPath(configBasePath+configLMEECutLib);
  
  //AOD Usage currently tested with separate task, to be merged
  if (mgr->GetInputEventHandler()->IsA()==AliAODInputHandler::Class()){
    ::Info("AddTaskLMEEPbPb2011", "no dedicated AOD configuration");
  }
  else if (mgr->GetInputEventHandler()->IsA()==AliESDInputHandler::Class()){
    ::Info("AddTaskLMEEPbPb2011AOD","switching on ESD specific code");
    bESDANA=kTRUE;
  }
  
  
  //Do we have an MC handler?
  Bool_t hasMC = (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler() != 0x0);
  
  //load dielectron configuration files
  if (!gROOT->GetListOfGlobalFunctions()->FindObject(configLMEECutLib.Data()))
    gROOT->LoadMacro(configLMEECutLibPath.Data());
  if (!gROOT->GetListOfGlobalFunctions()->FindObject(configFile.Data()))
    gROOT->LoadMacro(configFilePath.Data());
  
  
  LMEECutLib* cutlib = new LMEECutLib();
  AliAnalysisTaskMultiDielectron *task=new AliAnalysisTaskMultiDielectron("MultiDiEData");
  if (!hasMC) task->UsePhysicsSelection();
  task->SetTriggerMask(triggerNames);
  task->SelectCollisionCandidates(collCands);  
  task->SetEventFilter(cutlib->GetEventCuts(LMEECutLib::kPbPb2011_TPCTOF_Semi1));
  // Note: event cuts are identical for all analysis 'cutDefinition's that run together!
	
  
  //add dielectron analysis with different cuts to the task
  for (Int_t i=0; i<nDie; ++i){ //nDie defined in config file
    //MB
    AliDielectron *diel_low = Config_caklein_LMEEPbPb_AOD(i,hasMC,bESDANA);
    if(!diel_low)continue;
    task->AddDielectron(diel_low);
    printf("successfully added AliDielectron: %s\n",diel_low->GetName());
  }//loop
  
  mgr->AddTask(task);
  
  //create output container
  AliAnalysisDataContainer *coutput1 =
	mgr->CreateContainer("caklein_LMEEPbPb_tree",
                       TTree::Class(),
                       AliAnalysisManager::kExchangeContainer,
                       outputFileName);
  
  AliAnalysisDataContainer *cOutputHist1 =
	mgr->CreateContainer("caklein_LMEEPbPb_out",
                       TList::Class(),
                       AliAnalysisManager::kOutputContainer,
                       outputFileName);
  
  AliAnalysisDataContainer *cOutputHist2 =
	mgr->CreateContainer("caklein_LMEEPbPb_CF",
                       TList::Class(),
                       AliAnalysisManager::kOutputContainer,
                       outputFileName);
  
  AliAnalysisDataContainer *cOutputHist3 =
	mgr->CreateContainer("caklein_EventStatPbPb",
                       TH1D::Class(),
                       AliAnalysisManager::kOutputContainer,
                       outputFileName);
  
  mgr->ConnectInput(task,  0, mgr->GetCommonInputContainer());
  mgr->ConnectOutput(task, 0, coutput1 );
  mgr->ConnectOutput(task, 1, cOutputHist1);
  mgr->ConnectOutput(task, 2, cOutputHist2);
  mgr->ConnectOutput(task, 3, cOutputHist3);
  
  return task;
}