message: add zVertex cut
diff: @@ -13,6 +13,7 @@ AliAnalysisTaskXi1530* AddTaskXi1530(const char *taskname = "Xi1530"
  TString foption = option;
  AliAnalysisTaskXi1530 *taskXi1530 = new AliAnalysisTaskXi1530(Form("%s%s", taskname,suffix), option);
  taskXi1530->fEventCuts.fCentralityFramework = 1;
  + taskXi1530->fEventCuts.SetMaxVertexZposition(10);
  taskXi1530->SetnMix(nmix);
  std::cout << "AliAnaylsisTaskXi1530:: Option: " << option << std::endl;
  