message: MultSelection estimator value
diff: @@ -1445,15 +1445,16 @@ Double_t AliAnalysisTaskPhiCorrelations::GetCentrality(AliVEvent* inputEvent, TO
  if (!multSelection)
  AliFatal("MultSelection not found in input event");
  - if (fUseUncheckedCentrality)
  - centrality = multSelection->GetMultiplicityPercentile(fCentralityMethod, kFALSE);
  - else
  - centrality = multSelection->GetMultiplicityPercentile(fCentralityMethod, kTRUE);
  + if (fCentralityMethod.EndsWith(".Value"))
  + centrality = multSelection->GetEstimator(fCentralityMethod(0, fCentralityMethod.Length()-6))->GetValue();
  + else {
  + centrality = multSelection->GetMultiplicityPercentile(fCentralityMethod, !fUseUncheckedCentrality);
  // error handling
  if (centrality > 100)
  centrality = -1;
  }
  + }
  else {
  AliCentrality *centralityObj = 0;
  