diff --git a/duneanaobj/StandardRecord/SRInteraction.h b/duneanaobj/StandardRecord/SRInteraction.h
index e7b7458..096dcd6 100644
--- a/duneanaobj/StandardRecord/SRInteraction.h
+++ b/duneanaobj/StandardRecord/SRInteraction.h
@@ -41,7 +41,10 @@ namespace caf
       bool preselected = false; ///< Was this interaction preselected?  (Useful for workflows where CAFs are preprocessed / filtered in the process of making concatenated files)
 
       bool contained() const; ///< Convenience function to check if the interaction is contained in the detector by checking the contained flag of all reco particles
-  };
+
+      bool isBeamSlice = false; 
+      
+    };
 
 } // caf
 
diff --git a/duneanaobj/StandardRecord/SRInteractionBranch.h b/duneanaobj/StandardRecord/SRInteractionBranch.h
index 3bdab85..7c0a752 100644
--- a/duneanaobj/StandardRecord/SRInteractionBranch.h
+++ b/duneanaobj/StandardRecord/SRInteractionBranch.h
@@ -15,15 +15,16 @@ namespace caf
   class SRInteractionBranch
   {
     public:
+
       std::vector<SRInteraction> dlp;       ///< Interactions from Deep Learn Physics machine learning reconstruction
       std::size_t ndlp;
 
       std::vector<SRInteraction> pandora;   ///< Interactions from Pandora reconstruction
       std::size_t npandora;
+      int beamPandoraSliceIndex = -1; ///< Index of the slice identified as the beam slice by the reconstruction (if any)
 
       std::vector<SRInteraction> sandreco;   ///< Interactions from sadreco reconstruction
       std::size_t nsandreco;
-
   };
 }
 
diff --git a/duneanaobj/StandardRecord/SRPFP.h b/duneanaobj/StandardRecord/SRPFP.h
index af8dfd5..82c1565 100644
--- a/duneanaobj/StandardRecord/SRPFP.h
+++ b/duneanaobj/StandardRecord/SRPFP.h
@@ -50,6 +50,7 @@ namespace caf
 
       //Track/Shower BDT score
       float track_score = NaN;
+
   };
 
 }
diff --git a/duneanaobj/StandardRecord/SRRecoParticle.h b/duneanaobj/StandardRecord/SRRecoParticle.h
index bf60b88..b0cec65 100644
--- a/duneanaobj/StandardRecord/SRRecoParticle.h
+++ b/duneanaobj/StandardRecord/SRRecoParticle.h
@@ -49,6 +49,8 @@ namespace caf
 
       std::vector<TrueParticleID> truth;              ///< Associated SRTrueParticle(s), if relevant (use SRTruthBranch::Particle() with these IDs to grab them)
       std::vector<float>   truthOverlap;              ///< Fractional overlap between this reco particle and true particle
+      int         truthMatchIndex = -1;     ///< Index of the best truth match by hits in truth and truthOverlap array, defaults to -1 if no match
+
   };
 
 } // caf
diff --git a/duneanaobj/StandardRecord/SRTrueParticle.h b/duneanaobj/StandardRecord/SRTrueParticle.h
index 3422aa8..5654b7b 100644
--- a/duneanaobj/StandardRecord/SRTrueParticle.h
+++ b/duneanaobj/StandardRecord/SRTrueParticle.h
@@ -27,6 +27,7 @@ namespace caf
     public:
       int       pdg             = 0;     ///< Particle
       int       G4ID            = -1;    ///< ID of the particle (taken from GEANT4 -- -1 if this particle is not propogated by G4)
+
       long int  interaction_id  = -1;    ///< True interaction ID (edep-sim 'vertexID' for ND, or GENIe record number for FD) of the source of this particle
       double     time            = NaN;   ///< Generation time at true interaction vertex [ns]
 
diff --git a/duneanaobj/StandardRecord/classes_def.xml b/duneanaobj/StandardRecord/classes_def.xml
index 3b0f7e7..c11d59f 100644
--- a/duneanaobj/StandardRecord/classes_def.xml
+++ b/duneanaobj/StandardRecord/classes_def.xml
@@ -60,12 +60,21 @@
    <version ClassVersion="10" checksum="2681983110"/>
   </class>
 
-  <class name="caf::SRInteractionBranch" ClassVersion="11">
+  <class name="caf::SRInteractionBranch" ClassVersion="19">
+   <version ClassVersion="19" checksum="995432799"/>
+   <version ClassVersion="18" checksum="1572816117"/>
+   <version ClassVersion="17" checksum="2838705083"/>
+   <version ClassVersion="16" checksum="1999633423"/>
+   <version ClassVersion="15" checksum="4122733970"/>
+   <version ClassVersion="14" checksum="1999633423"/>
+   <version ClassVersion="13" checksum="5494552"/>
+   <version ClassVersion="12" checksum="995432799"/>
    <version ClassVersion="11" checksum="3254538684"/>
    <version ClassVersion="10" checksum="1911225621"/>
   </class>
 
-  <class name="caf::SRInteraction" ClassVersion="12">
+  <class name="caf::SRInteraction" ClassVersion="13">
+   <version ClassVersion="13" checksum="319519243"/>
    <version ClassVersion="12" checksum="2000195876"/>
    <version ClassVersion="11" checksum="1154108588"/>
    <version ClassVersion="10" checksum="2468658506"/>
@@ -105,7 +114,10 @@
    <version ClassVersion="10" checksum="684361603"/>
   </class>
 
-  <class name="caf::SRRecoParticle" ClassVersion="16">
+  <class name="caf::SRRecoParticle" ClassVersion="19">
+   <version ClassVersion="19" checksum="2513933526"/>
+   <version ClassVersion="18" checksum="1754766699"/>
+   <version ClassVersion="17" checksum="3246791971"/>
    <version ClassVersion="16" checksum="4230274279"/>
    <version ClassVersion="15" checksum="4130745478"/>
    <version ClassVersion="14" checksum="621972464"/>
@@ -183,7 +195,9 @@
    <version ClassVersion="10" checksum="3607270087"/>
    </class>
 
-  <class name="caf::SRPFP" ClassVersion="10">
+  <class name="caf::SRPFP" ClassVersion="12">
+   <version ClassVersion="12" checksum="3744464743"/>
+   <version ClassVersion="11" checksum="126299658"/>
    <version ClassVersion="10" checksum="3744464743"/>
   </class>
 
@@ -339,7 +353,11 @@
    <version ClassVersion="10" checksum="2662412328"/>
   </class>
 
-  <class name="caf::SRTrueParticle" ClassVersion="16">
+  <class name="caf::SRTrueParticle" ClassVersion="20">
+   <version ClassVersion="20" checksum="399263066"/>
+   <version ClassVersion="19" checksum="3434896655"/>
+   <version ClassVersion="18" checksum="2703534434"/>
+   <version ClassVersion="17" checksum="2332556504"/>
    <version ClassVersion="16" checksum="399263066"/>
    <version ClassVersion="15" checksum="1980366129"/>
    <version ClassVersion="14" checksum="1907525372"/>