Index: MsgDefs.h
===================================================================
diff -u -rc596edce7a375615d600f283f85f155c67466f7d -ra45ceaa83173d0b3f9a9bc8fc397904a08a7ab09
--- MsgDefs.h	(.../MsgDefs.h)	(revision c596edce7a375615d600f283f85f155c67466f7d)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision a45ceaa83173d0b3f9a9bc8fc397904a08a7ab09)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      Vijay Pamula
-* @date    (last)      12-Jun-2026
+* @author  (last)      Sameer Kalliadan Poyil
+* @date    (last)      16-Jun-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -211,6 +211,7 @@
     MSG_ID_FFU_SIGNAL_TD_UPDATE_AVAILABLE = 0xB3,                                   ///< FFU signal TD update is available.
     MSG_ID_FFU_SIGNAL_DD_UPDATE_AVAILABLE = 0xB4,                                   ///< FFU signal DD update is available.
     MSG_ID_DD_SUBSTITUTION_PUMP_DATA = 0xB5,                                        ///< DD substitution pump broadcast data.
+    MSG_ID_DD_CONDUCTIVITY_SENSOR_RESISTANCE_DATA = 0xB6,                           ///< DD conductivity resistance data broadcast.
     MSG_ID_UI_VITALS_ADJUSTMENT_REQUEST = 0xB8,                                     ///< UI vitals adjustment request
     MSG_ID_TD_VITALS_ADJUSTMENT_RESPONSE  = 0xB9,                                   ///< TD vitals adjustment response
 
@@ -415,6 +416,9 @@
     MSG_ID_DD_SUBSTITUTION_PUMP_START_STOP_OVERRIDE_REQUEST = 0xA06D,                   ///< DD substitution pump start stop override request
     MSG_ID_DD_SUBSTITUTION_PUMP_BROADCAST_INTERVAL_OVERRIDE_REQUEST = 0xA06E,           ///< DD substitution pump broadcast override request
     MSG_ID_DD_SUBSTITUTION_PUMP_TARGET_RATE_OVERRIDE_REQUEST = 0xA06F,                  ///< DD substitution pump target speed override request.
+    MSG_ID_DD_CONDUCTIVITY_SENSOR_CAL_REQUEST = 0xA070,                                 ///< DD conductivity sensor cal request
+    MSG_ID_DD_CONDUCTIVITY_SENSOR_CAL_RESPONSE = 0xA071,                                ///< DD conductivity sensor cal response
+    MSG_ID_DD_MIXING_CONTROL_DATA = 0xA072,                                             ///< DD mixing control publish data 
 
     MSG_ID_FIRST_FP_TESTER_MESSAGE = 0xB000,                                            ///< First FP test message ID
     MSG_ID_FP_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_FP_TESTER_MESSAGE,                    ///< FP tester log-in
@@ -494,6 +498,8 @@
     MSG_ID_FP_BOOST_PUMP_INSTALL_STATUS_RESPONSE = 0xB04A,                              ///< FP response for boost pump installation status to Dialin
     MSG_ID_FP_CONDUCTIVITY_SENSOR_VERSION_REQUEST = 0xB04B,                             ///< FP conductivity sensor version request
     MSG_ID_FP_CONDUCTIVITY_SENSOR_VERSION_RESPONSE = 0xB04C,                            ///< FP conductivity sensor version response
+    MSG_ID_FP_CONDUCTIVITY_SENSOR_CAL_REQUEST = 0xB04D,                                 ///< FP conductivity sensor cal request
+    MSG_ID_FP_CONDUCTIVITY_SENSOR_CAL_RESPONSE = 0xB04E,                                ///< FP conductivity sensor cal response
 
 
     MSG_ID_TD_DEBUG_EVENT = 0xFFF1,                                                 ///< TD debug event text to be logged in event log