From 868be8cbb7f0ed9cd3b3d1d58c5641332cdcf23f Mon Sep 17 00:00:00 2001
From: Fabio Catalano <fabio.catalano@cern.ch>
Date: Thu, 21 Aug 2025 15:20:36 +0200
Subject: [PATCH] [PWGHF] Add number of PV contributors to OmegaC trees

---
 PWGHF/TableProducer/treeCreatorOmegac0ToOmegaPi.cxx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/PWGHF/TableProducer/treeCreatorOmegac0ToOmegaPi.cxx b/PWGHF/TableProducer/treeCreatorOmegac0ToOmegaPi.cxx
index 4fb9c92235c..f102151596c 100644
--- a/PWGHF/TableProducer/treeCreatorOmegac0ToOmegaPi.cxx
+++ b/PWGHF/TableProducer/treeCreatorOmegac0ToOmegaPi.cxx
@@ -211,7 +211,7 @@ DECLARE_SOA_TABLE(HfKfOmegacFulls, "AOD", "HFKFOMEGACFULL",
                   full::MassV0Ndf, full::MassCascNdf,
                   full::V0Chi2OverNdf, full::CascChi2OverNdf, full::OmegacChi2OverNdf,
                   full::MassV0Chi2OverNdf, full::MassCascChi2OverNdf, full::CascRejectInvmass,
-                  full::FlagMcMatchRec, full::OriginMcRec, full::CollisionMatched, hf_track_index::HFflag);
+                  full::FlagMcMatchRec, full::OriginMcRec, full::CollisionMatched, hf_track_index::HFflag, collision::NumContrib);
 
 DECLARE_SOA_TABLE(HfKfOmegacLites, "AOD", "HFKFOMEGACLITE",
                   full::NSigmaTPCPiFromOmegac, full::NSigmaTOFPiFromOmegac, full::NSigmaTPCKaFromCasc, full::NSigmaTOFKaFromCasc,
@@ -225,7 +225,7 @@ DECLARE_SOA_TABLE(HfKfOmegacLites, "AOD", "HFKFOMEGACLITE",
                   full::CosThetaStarPiFromOmegac, full::CtOmegac, full::EtaOmegac,
                   full::V0Chi2OverNdf, full::CascChi2OverNdf, full::OmegacChi2OverNdf,
                   full::CascRejectInvmass,
-                  full::FlagMcMatchRec, full::OriginMcRec, full::CollisionMatched, hf_track_index::HFflag);
+                  full::FlagMcMatchRec, full::OriginMcRec, full::CollisionMatched, hf_track_index::HFflag, collision::NumContrib);
 } // namespace o2::aod
 
 /// Writes the full information in an output TTree
@@ -396,7 +396,8 @@ struct HfTreeCreatorOmegac0ToOmegaPi {
         flagMc,
         originMc,
         collisionMatched,
-        candidate.hfflag());
+        candidate.hfflag(),
+        candidate.template collision_as<Colls>().numContrib());
     }
   }
 
@@ -439,7 +440,8 @@ struct HfTreeCreatorOmegac0ToOmegaPi {
         flagMc,
         originMc,
         collisionMatched,
-        candidate.hfflag());
+        candidate.hfflag(),
+        candidate.template collision_as<Colls>().numContrib());
     }
   } // fillKfCandidateLite end