AliPhiCorrelationsQATask *AddTaskPhiCorrelationsQA()
{
  // Get the pointer to the existing analysis manager via the static access method.
  //==============================================================================
  AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
  if (!mgr) {
    ::Error("AddTaskPhiCorrelations", "No analysis manager to connect to.");
    return NULL;
  }  
  
  // Create the task and configure it.
  //===========================================================================
  AliPhiCorrelationsQATask* ana = new  AliPhiCorrelationsQATask("");
  
  ana->SelectCollisionCandidates(AliVEvent::kMB | AliVEvent::kUserDefined);
  
  Bool_t isMC = (mgr->GetMCtruthEventHandler() != NULL);
  if (isMC)
    ana->SetUseUncheckedCentrality();
  
  mgr->AddTask(ana);
  
  // Create ONLY the output containers for the data produced by the task.
  // Get and connect other common input/output containers via the manager as below
  //==============================================================================
  AliAnalysisDataContainer *coutput1 = mgr->CreateContainer("histosPhiCorrelationsQA", TList::Class(),AliAnalysisManager::kOutputContainer,Form("%s", AliAnalysisManager::GetCommonFileName()));
  
  mgr->ConnectInput  (ana, 0, mgr->GetCommonInputContainer());
  mgr->ConnectOutput (ana, 1, coutput1 );
   
  return ana;
}