message: added a trigger selection in HFE v2 task
diff: @@ -28,6 +28,7 @@ AliAnalysisTask *AddTaskFlowTPCEMCalRun2(
  // add your task to the manager
  task->SetOADBFileName(OADBfilename);
  task->SetqnPercentileSelection(Splinefilename);
  + task->SelectCollisionCandidates(AliVEvent::AliVEvent::kSemiCentral);
  mgr->AddTask(task);
  TString containerName = mgr->GetCommonFileName();
  