--- includes\heartbeatactivity.inc
+++ includes\heartbeatactivity.inc
@@ -257,6 +257,9 @@
       //}
     }
     $this->message = $message_template;
+
+    // Add group objects
+    $this->group = $candidates['group'];
   }
 
   /**
--- includes\heartbeatparser.inc
+++ includes\heartbeatparser.inc
@@ -153,6 +153,15 @@

         $this->_candidates[$gap_id]['variables'][] = $message->variables;
         $this->_candidates[$gap_id]['count']++;  // variable count, NOT the same as target_count
+
+        // Add object ids of all objects in the group
+        $objects = array(
+          'uid' => $message->uid,
+          'uid_target' => $message->uid_target,
+          'nid' => $message->nid,
+          'nid_target' => $message->nid_target
+        );
+        $this->_candidates[$gap_id]['group'][$message->uaid] = $objects;
\ No newline at end of file
       }
       elseif ($type == 'count') {