Index: leahi_dialin/ui/td_messaging.py
===================================================================
diff -u -reb3e8ec85b8c2cfd7215d762117c617b8084be45 -r2f16a7a2c39725a71bb1b5bbe4c7bd410ac2ba89
--- leahi_dialin/ui/td_messaging.py	(.../td_messaging.py)	(revision eb3e8ec85b8c2cfd7215d762117c617b8084be45)
+++ leahi_dialin/ui/td_messaging.py	(.../td_messaging.py)	(revision 2f16a7a2c39725a71bb1b5bbe4c7bd410ac2ba89)
@@ -647,6 +647,29 @@
 
         self.can_interface.send(message, 0)
 
+
+    def td_rinseback_progress(self, targetVolume: float, deliveredVolume: float, flowRate: int, timeout: int,
+                              countdown: int, isCompleted: int):
+        """
+        rinseback progress message method(Msg ID: 0x56, 86)
+        Args:
+            None
+        @return: None
+        """
+        payload  = conversions.float_to_bytearray               (targetVolume       )
+        payload += conversions.float_to_bytearray               (deliveredVolume    )
+        payload += conversions.unsigned_integer_to_bytearray    (flowRate           )
+        payload += conversions.unsigned_integer_to_bytearray    (timeout            )
+        payload += conversions.unsigned_integer_to_bytearray    (countdown          )
+        payload += conversions.integer_to_bytearray             (isCompleted        )
+
+        message = CAN.DenaliMessage.build_message(
+            channel_id=CAN.DenaliChannels.td_to_ui_ch_id,
+            message_id=msg_ids.MsgIds.MSG_ID_TD_RINSEBACK_PROGRESS.value,
+            payload=payload)
+        self.can_interface.send(message, 0)
+
+
     def td_vitals_adjustment_response(self,vRejectionReason: int):
         """
         the vitals adjustment response message method(Msg ID: 0x64, 100)