Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -r145fd716a856f864f39fb0f9884865f6e45b9256 -r7c29e738c37a25cc72d68686d852e087f2f1577d
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 145fd716a856f864f39fb0f9884865f6e45b9256)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 7c29e738c37a25cc72d68686d852e087f2f1577d)
@@ -297,6 +297,7 @@
     { MSG_ID_DD_SUBSTITUTION_PUMP_TARGET_RATE_OVERRIDE_REQUEST,                     &testSubstitutionPumpTargetRateOverride },
     { MSG_ID_DD_CONDUCTIVITY_SENSOR_CAL_REQUEST,                                    &testHandleConductivitySensorCalRequest },
     { MSG_ID_FP_CONDUCTIVITY_SENSOR_CAL_REQUEST,                                    &testHandleConductivitySensorCalRequest },
+    { MSG_ID_DD_MIXING_CONTROL_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST,              &testMixingControlDataPublishIntervalOverride },
 };
 
 /// Calculation for number of entries in the incoming message function handler look-up table.