Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -rfd897db8177752330ad08d877e0a13620513dbdc -r21d8cec02d7e0f8ad98b54ca310243f690948ddc
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision fd897db8177752330ad08d877e0a13620513dbdc)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 21d8cec02d7e0f8ad98b54ca310243f690948ddc)
@@ -282,6 +282,7 @@
     { MSG_ID_DD_BICART_UPPER_PRESSURE_OVERRIDE_REQUEST,                             &testDryBiCartUpperCartPressureOverride },
     { MSG_ID_DD_BICART_LOWER_PRESSURE_OVERRIDE_REQUEST,                             &testDryBiCartLowerCartPressureOverride } ,
     { MSG_ID_FP_SET_OPERATION_SUB_MODE_REQUEST,                                     &testSetFPOperationSubMode },
+    { MSG_ID_DD_SET_OPERATION_SUB_MODE_OVERRIDE_REQUEST,                            &testSetOperationSubMode },
     { MSG_ID_FP_BOOST_PUMP_INSTALL_STATUS_REQUEST,                                  &testGetFPBoostPumpInstallStatus },
     { MSG_ID_DD_CONDUCTIVITY_SENSOR_VERSION_REQUEST,                                &testHandleConductivitySensorVersionRequest },
     { MSG_ID_FP_CONDUCTIVITY_SENSOR_VERSION_REQUEST,                                &testHandleConductivitySensorVersionRequest },