diff --git a/PWGHF/D2H/Tasks/taskD0.cxx b/PWGHF/D2H/Tasks/taskD0.cxx
index 088c3847b90..df1630a1cb7 100644
--- a/PWGHF/D2H/Tasks/taskD0.cxx
+++ b/PWGHF/D2H/Tasks/taskD0.cxx
@@ -349,6 +349,7 @@ struct HfTaskD0 {
     }
     if (storeCentrality) {
       axes.push_back(thnAxisCent);
+      axes.push_back(thnAxisNumPvContr);
     }
     if (storeOccupancyAndIR) {
       axes.push_back(thnAxisOccupancy);
@@ -556,10 +557,12 @@ struct HfTaskD0 {
       float cent{-1.f};
       float occ{-1.f};
       float ir{-1.f};
+      int numPvContributors = -1;
       if (storeCentrality || storeOccupancyAndIR) {
         auto collision = candidate.template collision_as<CollType>();
         if (storeCentrality && centEstimator != CentralityEstimator::None) {
           cent = getCentralityColl(collision, centEstimator);
+          numPvContributors = collision.numContrib();
         }
         if (storeOccupancyAndIR && occEstimator != OccupancyEstimator::None) {
           occ = o2::hf_occupancy::getOccupancyColl(collision, occEstimator);
@@ -575,21 +578,21 @@ struct HfTaskD0 {
       if constexpr (ApplyMl) {
         if (storeCentrality && storeOccupancyAndIR) {
           if (candidate.isSelD0() >= selectionFlagD0) {
-            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0()[0], candidate.mlProbD0()[1], candidate.mlProbD0()[2], massD0, ptCandidate, HfHelper::yD0(candidate), SigD0, cent, occ, ir);
-            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0()[0], candidate.mlProbD0()[1], candidate.mlProbD0()[2], massD0, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0bar() ? ReflectedD0 : PureSigD0, cent, occ, ir);
+            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0()[0], candidate.mlProbD0()[1], candidate.mlProbD0()[2], massD0, ptCandidate, HfHelper::yD0(candidate), SigD0, cent, numPvContributors, occ, ir);
+            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0()[0], candidate.mlProbD0()[1], candidate.mlProbD0()[2], massD0, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0bar() ? ReflectedD0 : PureSigD0, cent, numPvContributors, occ, ir);
           }
           if (candidate.isSelD0bar() >= selectionFlagD0bar) {
-            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0bar()[0], candidate.mlProbD0bar()[1], candidate.mlProbD0bar()[2], massD0bar, ptCandidate, HfHelper::yD0(candidate), SigD0bar, cent, occ, ir);
-            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0bar()[0], candidate.mlProbD0bar()[1], candidate.mlProbD0bar()[2], massD0bar, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0() ? ReflectedD0bar : PureSigD0bar, cent, occ, ir);
+            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0bar()[0], candidate.mlProbD0bar()[1], candidate.mlProbD0bar()[2], massD0bar, ptCandidate, HfHelper::yD0(candidate), SigD0bar, cent, numPvContributors, occ, ir);
+            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0bar()[0], candidate.mlProbD0bar()[1], candidate.mlProbD0bar()[2], massD0bar, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0() ? ReflectedD0bar : PureSigD0bar, cent, numPvContributors, occ, ir);
           }
         } else if (storeCentrality && !storeOccupancyAndIR) {
           if (candidate.isSelD0() >= selectionFlagD0) {
-            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0()[0], candidate.mlProbD0()[1], candidate.mlProbD0()[2], massD0, ptCandidate, HfHelper::yD0(candidate), SigD0, cent);
-            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0()[0], candidate.mlProbD0()[1], candidate.mlProbD0()[2], massD0, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0bar() ? ReflectedD0 : PureSigD0, cent);
+            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0()[0], candidate.mlProbD0()[1], candidate.mlProbD0()[2], massD0, ptCandidate, HfHelper::yD0(candidate), SigD0, cent, numPvContributors);
+            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0()[0], candidate.mlProbD0()[1], candidate.mlProbD0()[2], massD0, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0bar() ? ReflectedD0 : PureSigD0, cent, numPvContributors);
           }
           if (candidate.isSelD0bar() >= selectionFlagD0bar) {
-            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0bar()[0], candidate.mlProbD0bar()[1], candidate.mlProbD0bar()[2], massD0bar, ptCandidate, HfHelper::yD0(candidate), SigD0bar, cent);
-            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0bar()[0], candidate.mlProbD0bar()[1], candidate.mlProbD0bar()[2], massD0bar, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0() ? ReflectedD0bar : PureSigD0bar, cent);
+            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0bar()[0], candidate.mlProbD0bar()[1], candidate.mlProbD0bar()[2], massD0bar, ptCandidate, HfHelper::yD0(candidate), SigD0bar, cent, numPvContributors);
+            registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsD0Type"), candidate.mlProbD0bar()[0], candidate.mlProbD0bar()[1], candidate.mlProbD0bar()[2], massD0bar, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0() ? ReflectedD0bar : PureSigD0bar, cent, numPvContributors);
           }
         } else if (!storeCentrality && storeOccupancyAndIR) {
           if (candidate.isSelD0() >= selectionFlagD0) {
@@ -622,21 +625,21 @@ struct HfTaskD0 {
       } else {
         if (storeCentrality && storeOccupancyAndIR) {
           if (candidate.isSelD0() >= selectionFlagD0) {
-            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0, ptCandidate, HfHelper::yD0(candidate), SigD0, cent, occ, ir);
-            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0bar() ? ReflectedD0 : PureSigD0, cent, occ, ir);
+            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0, ptCandidate, HfHelper::yD0(candidate), SigD0, cent, numPvContributors, occ, ir);
+            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0bar() ? ReflectedD0 : PureSigD0, cent, numPvContributors, occ, ir);
           }
           if (candidate.isSelD0bar() >= selectionFlagD0bar) {
-            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0bar, ptCandidate, HfHelper::yD0(candidate), SigD0bar, cent, occ, ir);
-            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0bar, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0() ? ReflectedD0bar : PureSigD0bar, cent, occ, ir);
+            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0bar, ptCandidate, HfHelper::yD0(candidate), SigD0bar, cent, numPvContributors, occ, ir);
+            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0bar, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0() ? ReflectedD0bar : PureSigD0bar, cent, numPvContributors, occ, ir);
           }
         } else if (storeCentrality && !storeOccupancyAndIR) {
           if (candidate.isSelD0() >= selectionFlagD0) {
-            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0, ptCandidate, HfHelper::yD0(candidate), SigD0, cent);
-            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0bar() ? ReflectedD0 : PureSigD0, cent);
+            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0, ptCandidate, HfHelper::yD0(candidate), SigD0, cent, numPvContributors);
+            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0bar() ? ReflectedD0 : PureSigD0, cent, numPvContributors);
           }
           if (candidate.isSelD0bar() >= selectionFlagD0bar) {
-            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0bar, ptCandidate, HfHelper::yD0(candidate), SigD0bar, cent);
-            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0bar, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0() ? ReflectedD0bar : PureSigD0bar, cent);
+            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0bar, ptCandidate, HfHelper::yD0(candidate), SigD0bar, cent, numPvContributors);
+            registry.fill(HIST("hMassVsPtVsPtBVsYVsOriginVsD0Type"), massD0bar, ptCandidate, HfHelper::yD0(candidate), candidate.isSelD0() ? ReflectedD0bar : PureSigD0bar, cent, numPvContributors);
           }
         } else if (!storeCentrality && storeOccupancyAndIR) {
           if (candidate.isSelD0() >= selectionFlagD0) {