From 55fb377e97e7cfc27d2b59090f3008f31db6869f Mon Sep 17 00:00:00 2001
From: Sabrina Hernandez <sabrina.gabrielle.hernandez@cern.ch>
Date: Thu, 6 Feb 2025 12:15:44 -0600
Subject: [PATCH 1/2] added event selection

---
 PWGCF/Flow/Tasks/flowZdcTask.cxx | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/PWGCF/Flow/Tasks/flowZdcTask.cxx b/PWGCF/Flow/Tasks/flowZdcTask.cxx
index 6ef4d78d9ca..d1906c1eb08 100644
--- a/PWGCF/Flow/Tasks/flowZdcTask.cxx
+++ b/PWGCF/Flow/Tasks/flowZdcTask.cxx
@@ -44,7 +44,7 @@ using namespace o2::framework::expressions;
 using namespace o2::aod::mult;
 using namespace o2::aod::evsel;
 using ColEvSels = soa::Join<aod::Collisions, aod::EvSels>;
-using AodCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs>>;
+using AodCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs, aod::Mults>>;
 using AodTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TrackSelection, aod::TracksExtra, aod::TracksDCA>>;
 using BCsRun3 = soa::Join<aod::BCs, aod::Timestamps, aod::BcSels, aod::Run3MatchedToBCSparse>;
 using AodZDCs = soa::Join<aod::ZDCMults, aod::Zdcs>;
@@ -298,7 +298,25 @@ struct FlowZdcTask {
     if (isGoodITSLayersAll && !col.selection_bit(o2::aod::evsel::kIsGoodITSLayersAll)) {
       return false;
     }
-    histos.fill(HIST("eventSelectionSteps"), 6);
+    if (isApplyVertexTOFmatched && !col.selection_bit(o2::aod::evsel::kIsVertexTOFmatched)) {
+      return false;
+    }
+    histos.fill(HIST("EventHist"), 6);
+
+    if (isApplyVertexTRDmatched && !col.selection_bit(o2::aod::evsel::kIsVertexTRDmatched)) {
+      return false;
+    }
+    histos.fill(HIST("EventHist"), 7);
+    if (col.centFT0C() < 0. || col.centFT0C() > 100.) {
+      return false;
+    }
+    histos.fill(HIST("EventHist"), 8);
+
+    if (isApplyExtraCorrCut && col.multNTracksPV() > npvTracksCut && col.multFT0C() < (10 * col.multNTracksPV() - ft0cCut)) {
+      return false;
+    }
+    histos.fill(HIST("EventHist"), 9);    
+    histos.fill(HIST("eventSelectionSteps"), 10);
     return true;
   }
 

From 92135a8735eb3ed667fb7f627b2d590e7c4a18fa Mon Sep 17 00:00:00 2001
From: ALICE Action Bot <alibuild@cern.ch>
Date: Thu, 6 Feb 2025 18:18:09 +0000
Subject: [PATCH 2/2] Please consider the following formatting changes

---
 PWGCF/Flow/Tasks/flowZdcTask.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PWGCF/Flow/Tasks/flowZdcTask.cxx b/PWGCF/Flow/Tasks/flowZdcTask.cxx
index d1906c1eb08..a772459e563 100644
--- a/PWGCF/Flow/Tasks/flowZdcTask.cxx
+++ b/PWGCF/Flow/Tasks/flowZdcTask.cxx
@@ -315,7 +315,7 @@ struct FlowZdcTask {
     if (isApplyExtraCorrCut && col.multNTracksPV() > npvTracksCut && col.multFT0C() < (10 * col.multNTracksPV() - ft0cCut)) {
       return false;
     }
-    histos.fill(HIST("EventHist"), 9);    
+    histos.fill(HIST("EventHist"), 9);
     histos.fill(HIST("eventSelectionSteps"), 10);
     return true;
   }