From bb5db258b2f700489c53e8c796c10f7d1af1cd38 Mon Sep 17 00:00:00 2001
From: Nicolas Strangmann <nicolas.strangmann@.cern.ch>
Date: Wed, 28 Jan 2026 11:08:21 +0100
Subject: [PATCH] [EventFiltering] Enable differential sel8 selections for HNM
 trigger

---
 EventFiltering/PWGEM/HeavyNeutralMesonFilter.cxx | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/EventFiltering/PWGEM/HeavyNeutralMesonFilter.cxx b/EventFiltering/PWGEM/HeavyNeutralMesonFilter.cxx
index 013bee26a88..ff6a7f9e833 100644
--- a/EventFiltering/PWGEM/HeavyNeutralMesonFilter.cxx
+++ b/EventFiltering/PWGEM/HeavyNeutralMesonFilter.cxx
@@ -136,6 +136,9 @@ struct HeavyNeutralMesonFilter {
   Configurable<bool> confEvtSelectZvtx{"confEvtSelectZvtx", true, "Event selection includes max. z-Vertex"};
   Configurable<float> confEvtZvtx{"confEvtZvtx", 10.f, "Evt sel: Max. z-Vertex (cm)"};
   Configurable<bool> confEvtRequireSel8{"confEvtRequireSel8", false, "Evt sel: check for offline selection (sel8)"};
+  Configurable<bool> confEvtRequireTVX{"confEvtRequireTVX", false, "Evt sel: require the TVX trigger"};
+  Configurable<bool> confEvtRequireNoTFBorder{"confEvtRequireNoTFBorder", false, "Evt sel: exclude time frame border edges"};
+  Configurable<bool> confEvtRequireNoITSROFBorder{"confEvtRequireNoITSROFBorder", false, "Evt sel: exclude ITS readout frame border edges"};
 
   // ---> Track selection
   Configurable<LabeledArray<float>> cfgPtCuts{"cfgPtCuts", {hnmtrigger::ptcutsTable[0], hnmtrigger::kNFemtoPartners, 3, hnmtrigger::speciesName, hnmtrigger::pTCutsName}, "Track pT selections"};
@@ -276,6 +279,12 @@ struct HeavyNeutralMesonFilter {
       return false;
     if (confEvtRequireSel8 && !col.sel8())
       return false;
+    if (confEvtRequireTVX && !col.selection_bit(aod::evsel::kIsTriggerTVX))
+      return false;
+    if (confEvtRequireNoTFBorder && !col.selection_bit(aod::evsel::kNoTimeFrameBorder))
+      return false;
+    if (confEvtRequireNoITSROFBorder && !col.selection_bit(aod::evsel::kNoITSROFrameBorder))
+      return false;
     return true;
   }