message: Implemented Francesco's suggestion
diff: @@ -314,8 +314,8 @@ void AliAnalysisTaskCheckEvSel::UserExec(Option_t */*option*/){
  Float_t wrej4ntuple = (Float_t)wrej;
  if(isEvSel) wrej4ntuple = -1;
  Float_t vertextype=0;
  - TString vertextitle = vertex->GetTitle();
  if(vertex) {
  + TString vertextitle = vertex->GetTitle();
  //Vtx tracks
  if(vertextitle.Contains("VertexerTracks")) vertextype=3;
  //vtx SPD
  