message: Add SPD nTrk checker
diff: @@ -267,8 +267,9 @@ void AliAnalysisTaskXi1530::UserCreateOutputObjects() {
  {binSystematics, binType, binCent, binPt, binMass},
  "s"); // Normal inv mass distribution of Xi1530
  CreateTHnSparse("hMult", "Multiplicity", 1, {binCent}, "s");
  - CreateTHnSparse("hV0MSignal", "V0MSignal", 3,
  - {binType_V0M, binCent, AxisFix("V0MSig", 2000, 0, 2000)},
  + CreateTHnSparse("hV0MSignal", "V0MSignal", 4,
  + {binType_V0M, binCent, AxisFix("V0MSig", 25000, 0, 25000),
  + AxisFix("SPDNtrk", 4000, 0, 4000)},
  "s");
  auto binTrklet =
  @@ -721,9 +722,12 @@ void AliAnalysisTaskXi1530::UserExec(Option_t*) {
  for (int i = 0; i < 64; i++) {
  intensity += lVV0->GetMultiplicity(i);
  }
  - FillTHnSparse("hV0MSignal", {kIsSelected, (double)fCent, intensity});
  + FillTHnSparse("hV0MSignal", {kIsSelected, (double)fCent,
  + (double)intensity, (double)ftrackmult});
  if (IsMultSelcted)
  - FillTHnSparse("hV0MSignal", {kIsMulti, (double)fCent, intensity});
  + FillTHnSparse("hV0MSignal",
  + {kIsMulti, (double)fCent, (double)intensity,
  + (double)ftrackmult});
  }
  // ----------------------------------------------------------------------
  @@ -765,13 +769,15 @@ void AliAnalysisTaskXi1530::UserExec(Option_t*) {
  if (IsSelectedTrig && IsINEL0Rec &&
  IsMultSelcted) { // In Good Event condition: (IsPS && IsGoodVertex &&
  // IsVtxInZCut) && IsMultSelcted
  +
  // Draw Multiplicity QA plot in only selected event.
  if (fQA) {
  FillTHnSparse("hMult", {(double)fCent});
  fHistos->FillTH1("hMult_QA", (double)fCent);
  // V0M signal QA
  - FillTHnSparse("hV0MSignal", {kPS, (double)fCent, intensity});
  + FillTHnSparse("hV0MSignal", {kPS, (double)fCent, (double)intensity,
  + (double)ftrackmult});
  }
  if (IsMC) { // After All Event cut!
  if (fEvt->IsA() == AliESDEvent::Class()) {
  