Index: dialin/hd/ui_proxy.py
===================================================================
diff -u -r46ebf93d3666db40f25ad1e9170426853aa845d4 -r8467193f215e910947bc4d352d12f0884334e38a
--- dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision 46ebf93d3666db40f25ad1e9170426853aa845d4)
+++ dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision 8467193f215e910947bc4d352d12f0884334e38a)
@@ -45,11 +45,6 @@
     RESPONSE_REJECTED = 0
     RESPONSE_ACCEPTED = 1
 
-    # start treatment command IDs
-    START_TREATMENT_CMD_INITIATE_TREATMENT_WORKFLOW = 0
-    START_TREATMENT_CMD_CANCEL_TREATMENT_WORKFLOW = 1
-    START_TREATMENT_CMD_START_TREATMENT = 2
-
     # HD version message field positions
     START_POS_MAJOR = DenaliMessage.PAYLOAD_START_INDEX
     END_POS_MAJOR = START_POS_MAJOR + 1
@@ -1194,25 +1189,18 @@
 
         self.can_interface.send(message, 0)
 
-    def cmd_ui_start_treatment_request(self, cmnd: int = START_TREATMENT_CMD_INITIATE_TREATMENT_WORKFLOW) -> None:
-
+    def cmd_ui_initiate_treatment_request(self, cmnd: int = 1) -> None:
         """
-        Constructs and sends a ui start treatment command message
-        Constraints:
-            Command must be one of the following:
-                START_TREATMENT_CMD_INITIATE_TREATMENT_WORKFLOW = 0
-                START_TREATMENT_CMD_CANCEL_TREATMENT_WORKFLOW = 1
-                START_TREATMENT_CMD_START_TREATMENT = 2
+        Constructs and sends a ui initiate treatment command
 
-        @param cmnd:  (int) start treatment command code
-
+        @param cmnd:  (int) start treatment command code (1 = initiate, 0 = cancel)
         @return: None
         """
 
         cmd = integer_to_bytearray(cmnd)
         payload = cmd
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
-                                              message_id=MsgIds.MSG_ID_UI_START_TREATMENT_REQUEST.value,
+                                              message_id=MsgIds.MSG_ID_UI_INITIATE_TREATMENT_REQUEST.value,
                                               payload=payload)
 
         self.logger.debug("Sending start treatment command request.")