Index: HDDefs.h
===================================================================
diff -u -r357a74fb9adbb242d0cd323c7d54909753ea201b -rb3156d3e1ff089c22492573c86ef059a8122fe7c
--- HDDefs.h	(.../HDDefs.h)	(revision 357a74fb9adbb242d0cd323c7d54909753ea201b)
+++ HDDefs.h	(.../HDDefs.h)	(revision b3156d3e1ff089c22492573c86ef059a8122fe7c)
@@ -764,6 +764,8 @@
     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.
+    HD_EVENT_AIR_TRAP_FILL,                                             ///< HD initiated an air trap fill (opened VBT briefly).
+    HD_EVENT_AIR_PUMP_ON_OFF,                                           ///< HD turned air pump on or off.
     NUM_OF_EVENT_IDS                                                    ///< Total number of HD events
 };
 typedef enum HD_Event_List HD_EVENT_ID_T;                               ///< Type for HD event list enumeration