Index: MsgDefs.h
===================================================================
diff -u -re140d4220968b827420d1dbfd16e8ea9ec021f59 -r7c54b9e5c72171583dd081fe81288fa7a39dea1c
--- MsgDefs.h	(.../MsgDefs.h)	(revision e140d4220968b827420d1dbfd16e8ea9ec021f59)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 7c54b9e5c72171583dd081fe81288fa7a39dea1c)
@@ -110,11 +110,13 @@
     MSG_ID_UI_SET_UF_VOLUME_PARAMETER = 0x4F,                           ///< UI request to validate new ultrafiltration volume treatment parameter
     MSG_ID_HD_SET_UF_VOLUME_PARAMETER_RESPONSE = 0x50,                  ///< HD response to new treatment parameters set
     MSG_ID_DG_COMMAND_RESPONSE = 0x51,                                  ///< DG response to command from HD
-    MSG_ID_UI_RINSEBACK_CMD = 0x52,                                     ///< UI rinseback request
-    MSG_ID_HD_RINSEBACK_CMD_RESPONSE = 0x53,                            ///< HD rinseback request response
-    MSG_ID_UI_RECIRC_CMD = 0x54,                                        ///< UI re-circ request
-    MSG_ID_HD_RECIRC_CMD_RESPONSE = 0x55,                               ///< HD re-circ request response
+    MSG_ID_UI_RINSEBACK_CMD = 0x52,                                     ///< UI rinseback sub-mode user request
+    MSG_ID_HD_RINSEBACK_CMD_RESPONSE = 0x53,                            ///< HD rinseback sub-mode user request response
+    MSG_ID_UI_RECIRC_CMD = 0x54,                                        ///< UI re-circ sub-mode user request
+    MSG_ID_HD_RECIRC_CMD_RESPONSE = 0x55,                               ///< HD re-circ sub-mode request response
     MSG_ID_HD_RINSEBACK_PROGRESS = 0x56,                                ///< HD broadcast of rinseback progress
+    MSG_ID_UI_TX_END_CMD = 0x57,                                        ///< UI end treatment sub-mode user request
+    MSG_ID_HD_TX_END_CMD_RESPONSE = 0x58,                               ///< HD end treatment sub-mode user request response
 
 #ifdef EMC_TEST_BUILD
     MSG_ID_CAN_ERROR_COUNT = 0x999,  // test code in support of EMC testing