Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -r06a227063a31bebce731945258ea0f8a2b7fd15b -r8acb1d02ac39d202a47338091b249ff2f30f5ea7
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 06a227063a31bebce731945258ea0f8a2b7fd15b)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 8acb1d02ac39d202a47338091b249ff2f30f5ea7)
@@ -7,8 +7,8 @@
 *
 * @file    Messaging.c
 *
-* @author  (last)      Santhosh Reddy
-* @date    (last)      06-Jul-2026
+* @author  (last)      Vijay Pamula
+* @date    (last)      14-Jul-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -29,6 +29,7 @@
 #include "Ejector.h"
 #include "FluidBolus.h"
 #include "FpgaTD.h"
+#include "HemoDiaFiltration.h"
 #include "LevelSensors.h"
 #include "Messaging.h"
 #include "ModeStandby.h"
@@ -219,6 +220,10 @@
     { MSG_ID_TD_HEPARIN_BOLUS_TARGET_RATE_OVERRIDE_REQUEST,             &testHeparinBolusTargetRateOverride },
     { MSG_ID_TD_SYRINGE_PUMP_FORCE_SENSOR_CALIBRATION_REQUEST,          &testCalibrateForceSensor },
     { MSG_ID_TD_GET_ALARM_PROPERTIES_REQUEST,                           &testGetAlarmPropertiesRequest },
+    { MSG_ID_TD_HDF_START_STOP_OVERRIDE_REQUEST,                        &testTDHDFStartStopHDFOverride },
+    { MSG_ID_TD_HDF_CURRENT_RATE_OVERRIDE_REQUEST,                      &testTDHDFCurrentRateOverride },
+    { MSG_ID_TD_HDF_TARGET_TMP_OVERRIDE_REQUEST,                        &testTDHDFTargetTMPOverride },
+    { MSG_ID_TD_HDF_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                  &testTDHDFDataPublishIntervalOverride },
 };
 
 /// Number of entries in the message handling function lookup table.