Index: leahi_dialin/td/proxies/ui_proxy.py
===================================================================
diff -u -r028086f4e594e25b8e693242fdce1cc41c8b0312 -reb67b89430884617a0762dea8bdd4eec859809e2
--- leahi_dialin/td/proxies/ui_proxy.py	(.../ui_proxy.py)	(revision 028086f4e594e25b8e693242fdce1cc41c8b0312)
+++ leahi_dialin/td/proxies/ui_proxy.py	(.../ui_proxy.py)	(revision eb67b89430884617a0762dea8bdd4eec859809e2)
@@ -189,7 +189,7 @@
         self.uf_pause_resume_timestamp = timestamp
 
     def cmd_send_ui_treatment_param_data(self, blood_flow_rate: int,
-                                         dialyate_flow_rate: int,
+                                         dialysate_flow_rate: int,
                                          treatment_duration: int,
                                          saline_bolus_volume: int,
                                          heparin_stop_time: int,
@@ -199,6 +199,7 @@
                                          dialyzer_type: int,
                                          bp_interval: int,
                                          rinseback_flow_rate: int,
+                                         rinseback_volume: int,
                                          arterial_pressure_limit: int,
                                          venous_pressure_limit: int,
                                          venous_pressure_asymmetric: int,
@@ -211,7 +212,7 @@
 
 
         :param blood_flow_rate: (int) blood flow rate (in mL/min)
-        :param dialyate_flow_rate: (int) dialysate flow rate (in mL/min)
+        :param dialysate_flow_rate: (int) dialysate flow rate (in mL/min)
         :param treatment_duration: (int) treatment duration (in min)
         :param saline_bolus_volume: (int) saline bolus volume (in mL)
         :param heparin_stop_time: (int) heparin stop time (in minutes)
@@ -221,6 +222,7 @@
         :param dialyzer_type: (int) dialyzer type
         :param bp_interval: (int) blood pressure measurement interval (in min)
         :param rinseback_flow_rate: (int) rinse back flow rate (in mL/min)
+        :param rinseback_volume: (int) rinse back volume (in mL)
         :param arterial_pressure_limit: (int) arterial pressure alarm limit window (in mmHg)
         :param venous_pressure_limit: (int) venous pressure alarm limit window (in mmHg)
         :param venous_pressure_asymmetric: (int) venous pressure alarm limit asymmetric (in mmHg)
@@ -233,7 +235,7 @@
         """
 
         bld = integer_to_bytearray(blood_flow_rate)
-        dia = integer_to_bytearray(dialyate_flow_rate)
+        dia = integer_to_bytearray(dialysate_flow_rate)
         dur = integer_to_bytearray(treatment_duration)
         sal = integer_to_bytearray(saline_bolus_volume)
         hst = integer_to_bytearray(heparin_stop_time)
@@ -243,6 +245,7 @@
         dzr = integer_to_bytearray(dialyzer_type)
         bpi = integer_to_bytearray(bp_interval)
         rbf = integer_to_bytearray(rinseback_flow_rate)
+        rbv = integer_to_bytearray(rinseback_volume)
         apw = integer_to_bytearray(arterial_pressure_limit)
         vpw = integer_to_bytearray(venous_pressure_limit)
         vpa = integer_to_bytearray(venous_pressure_asymmetric)
@@ -251,7 +254,7 @@
         hdr = float_to_bytearray(heparin_dispense_rate)
         hbv = float_to_bytearray(heparin_bolus_volume)
 
-        payload = bld + dia + dur + sal + hst + het + acc + bic + dzr + bpi + rbf + apw + vpw + vpa + tmp + dtp + hdr + hbv
+        payload = bld + dia + dur + sal + hst + het + acc + bic + dzr + bpi + rbf + rbv + apw + vpw + vpa + tmp + dtp + hdr + hbv
         message = DenaliMessage.build_message(channel_id=DenaliChannels.ui_to_td_ch_id,
                                               message_id=MsgIds.MSG_ID_UI_TREATMENT_PARAMS_TO_VALIDATE.value,
                                               payload=payload)