Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -ra4c13a58e281ff7a626a58317bc8a280df7e516e -ra19a676d1e67bb3e1aca9e9bba49727f9d5f8b38
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision a4c13a58e281ff7a626a58317bc8a280df7e516e)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision a19a676d1e67bb3e1aca9e9bba49727f9d5f8b38)
@@ -20,6 +20,7 @@
 #include "HDCommon.h"
 #include "MsgQueues.h"
 #include "DialOutFlow.h"
+#include "DGInterface.h"
 
 // ********** public definitions **********
 
@@ -80,6 +81,21 @@
 // MSG_ID_SET_DG_DIALYSATE_TEMP_TARGETS
 BOOL sendDialysateTempTargetsToDG( F32 primary, F32 trimmer );
 
+// MSG_ID_DG_SWITCH_RESERVOIR_CMD
+BOOL sendDGSwitchReservoirCommand( DG_RESERVOIR_ID_T activeReservoir );
+
+// MSG_ID_DG_FILL_CMD
+BOOL sendDGFillCommand( U32 fillToVolumeMl );
+
+// MSG_ID_DG_DRAIN_CMD
+BOOL sendDGDrainCommand( U32 drainToVolumeMl );
+
+// MSG_ID_STARTING_STOPPING_TREATMENT_CMD
+BOOL sendDGStartStopCommand( BOOL start );
+
+// MSG_ID_DG_SAMPLE_WATER_CMD
+BOOL sendDGSampleWaterCommand( void );
+
 // MSG_ID_DG_OP_MODE:
 void handleDGOpMode( MESSAGE_T *message );