--- yoda/event/physics/neutronDetector/NeutronEvent.h	2004/12/03 22:04:44	2.1
+++ yoda/event/physics/neutronDetector/NeutronEvent.h	2005/05/07 08:49:04	4.1
@@ -16,12 +16,24 @@
         static TClonesArray *fgRecords;
     
     public:
-        TClonesArray        *Records;
+      /**
+       * Contain multiple instances of pamela::neutron::NeutronRecord type.
+       */
+        TClonesArray   *Records;
+        
+        /**
+         * The data validity flag.
+         * 
+         * Description:               <BR>
+         * 1: neutron data NOT found. <BR>
+         * 0: neutron data ok.        <BR>
+         */
+        unsigned short  unpackError;
 
         NeutronEvent(void);
         ~NeutronEvent(void);
 
-        ClassDef(NeutronEvent, 1)
+        ClassDef(NeutronEvent, 2)
     };
     }
 }