Index: HDDefs.h
===================================================================
diff -u -r043d14a203c9436f170116d6b4e4979d8ce7a867 -red7679b53aec93e46f73acdbcc0e4554f4f067be
--- HDDefs.h	(.../HDDefs.h)	(revision 043d14a203c9436f170116d6b4e4979d8ce7a867)
+++ HDDefs.h	(.../HDDefs.h)	(revision ed7679b53aec93e46f73acdbcc0e4554f4f067be)
@@ -791,6 +791,7 @@
     HD_EVENT_OCCLUSION_BASELINE,                                        ///< HD event occlusion baseline event
     HD_EVENT_RSRVR_UF_VOLUME_AND_TIME,                                  ///< HD ultrafiltration volume and time for a reservoir use
     HD_EVENT_RSRVR_UF_RATE,                                             ///< HD ultrafiltration measured and expected rates
+    HD_EVENT_OPERATION_STATUS,                                          ///< HD aggregated opmode, submode, and substate event.
     NUM_OF_EVENT_IDS                                                    ///< Total number of HD events
 };
 typedef enum HD_Event_List HD_EVENT_ID_T;                               ///< Type for HD event list enumeration