diff --git a/sbnanaobj/StandardRecord/SRTrigger.cxx b/sbnanaobj/StandardRecord/SRTrigger.cxx
index 9234322f..f1724545 100644
--- a/sbnanaobj/StandardRecord/SRTrigger.cxx
+++ b/sbnanaobj/StandardRecord/SRTrigger.cxx
@@ -18,7 +18,11 @@ namespace caf
     gate_id(0),
     trigger_count(0),
     gate_count(0),
-    gate_delta(-1)
+    gate_delta(-1),
+    passed_trigger(false),
+    num_pairs_over_threshold(-1),
+    monpulses_flat(),
+    monpulse_sizes()
   {}
     
 
diff --git a/sbnanaobj/StandardRecord/SRTrigger.h b/sbnanaobj/StandardRecord/SRTrigger.h
index 480c6156..49664ece 100644
--- a/sbnanaobj/StandardRecord/SRTrigger.h
+++ b/sbnanaobj/StandardRecord/SRTrigger.h
@@ -3,6 +3,7 @@
 
 #include <cstdlib>
 #include <cstdint>
+#include <vector>
 
 namespace caf
 {
@@ -27,6 +28,10 @@ namespace caf
     unsigned gate_count; ///< count of gate in this stream
     int gate_delta; ///< Number of gates since previous trigger in this stream (gate of this event included)
     
+    bool passed_trigger; ///< if the event passed the trigger
+    int num_pairs_over_threshold; ///< number of pmt pairs over trigger threshold
+    std::vector<int> monpulses_flat; ///< trigger responses (number of PMT pairs above threshold for all channels) for all flashes (flattened to include all flashes in a single vector)
+    std::vector<int> monpulse_sizes; ///< length of each trigger responses to un-flatten the trigger responses (to a vector of trigger responses)
   };
 }
 
diff --git a/sbnanaobj/StandardRecord/StandardRecord.h b/sbnanaobj/StandardRecord/StandardRecord.h
index 9f561649..90973264 100644
--- a/sbnanaobj/StandardRecord/StandardRecord.h
+++ b/sbnanaobj/StandardRecord/StandardRecord.h
@@ -20,6 +20,7 @@
 #include "sbnanaobj/StandardRecord/SRTruthBranch.h"
 #include "sbnanaobj/StandardRecord/SRFakeReco.h"
 #include "sbnanaobj/StandardRecord/SROpFlash.h"
+#include "sbnanaobj/StandardRecord/SRTrigger.h"
 #include "sbnanaobj/StandardRecord/SRInteractionDLP.h"
 #include "sbnanaobj/StandardRecord/SRInteractionTruthDLP.h"
 
diff --git a/sbnanaobj/StandardRecord/classes_def.xml b/sbnanaobj/StandardRecord/classes_def.xml
index 91750e9f..03d5f234 100644
--- a/sbnanaobj/StandardRecord/classes_def.xml
+++ b/sbnanaobj/StandardRecord/classes_def.xml
@@ -307,7 +307,8 @@
    <version ClassVersion="10" checksum="1010873394"/>
   </class>
 
-  <class name="caf::SRTrigger" ClassVersion="13">
+  <class name="caf::SRTrigger" ClassVersion="14">
+   <version ClassVersion="14" checksum="592461663"/>
    <version ClassVersion="13" checksum="1642667704"/>
    <version ClassVersion="12" checksum="2557689850"/>
    <version ClassVersion="11" checksum="3162219101"/>