Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -r214bc36051314945ae212a1869aa87014eb1dbf8 -rf0aec0f46d5e85250430ecc95e4654200cf2ed83
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 214bc36051314945ae212a1869aa87014eb1dbf8)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision f0aec0f46d5e85250430ecc95e4654200cf2ed83)
@@ -279,11 +279,11 @@
     { MSG_ID_FP_DEF_STATUS_REQUEST,                                                 &testGetFPDefeaturedStatus },
     { MSG_ID_FP_RO_FILTERED_REJECTION_RATIO_OVERRIDE_REQUEST,                       &testRORejectionRatioFilteredOverride },
     { MSG_ID_FP_SET_RECOVERY_VALVES_REQUEST,                                        &testIOFPSetValveRecoveryConfig },
-
     { MSG_ID_DD_BICARB_DOSE_VOL_CONTROL_KP_GAIN_COEFF_OVERRIDE_REQUEST,             &testDryBiCartBicarbDoseVolControlKpGainOverride },
     { MSG_ID_DD_BICARB_DOSE_VOL_CONTROL_KI_GAIN_COEFF_OVERRIDE_REQUEST,             &testDryBiCartBicarbDoseVolControlKiGainOverride },
     { MSG_ID_DD_ACID_DOSE_VOL_CONTROL_KP_GAIN_COEFF_OVERRIDE_REQUEST,               &testDryBiCartAcidDoseVolControlKpGainOverride },
     { MSG_ID_DD_ACID_DOSE_VOL_CONTROL_KI_GAIN_COEFF_OVERRIDE_REQUEST,               &testDryBiCartAcidDoseVolControlKiGainOverride },
+    { MSG_ID_FP_SET_OPERATION_SUB_MODE_REQUEST,                                     &testSetFPOperationSubMode },
 };
 
 /// Calculation for number of entries in the incoming message function handler look-up table.