Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r3417fd56afc9b21fb4c2d86c75dd33ac31fbd9f1 -rbe83f01a4d54cbd0d92b68cb95a15dcbb06a9a51
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 3417fd56afc9b21fb4c2d86c75dd33ac31fbd9f1)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision be83f01a4d54cbd0d92b68cb95a15dcbb06a9a51)
@@ -103,10 +103,11 @@
  * @details
  * Inputs : none
  * Outputs : Off button msg constructed and queued.
- * @param none
+ * @param promptUser : TRUE if UI should prompt user to confirm power off \n
+ * request, FALSE if UI should cancel the prompt.
  * @return TRUE if msg successfully queued for transmit, FALSE if not
  *************************************************************************/
-BOOL sendOffButtonMsgToUI( void )
+BOOL sendOffButtonMsgToUI( BOOL promptUser )
 {
     BOOL result;
     MESSAGE_T msg;
@@ -117,6 +118,8 @@
     blankMessage( &msg );
     msg.hdr.msgID = MSG_ID_OFF_BUTTON_PRESS;
     msg.hdr.payloadLen = 0;
+//    msg.hdr.payloadLen = 1;
+//    msg.payload[0] = (U08)promptUser;
 
     // serialize the message (w/ sync, CRC, and appropriate CAN padding)
     msgSize = serializeMessage( msg, data );