Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r46bf7baaa9d8095e0405b018fcd4bc594907797e -r72ba5f3c63325b00306b544b2513c03500919d06
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 46bf7baaa9d8095e0405b018fcd4bc594907797e)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 72ba5f3c63325b00306b544b2513c03500919d06)
@@ -107,6 +107,9 @@
 // MSG_ID_DG_CHANGE_VALVE_SETTING_CMD
 void handleChangeValveSettingCmd( MESSAGE_T *message );
 
+// MSG_ID_HD_REQUEST_DG_USAGE_INFO
+//void handleDGSend
+
 // MSG_ID_DG_FILL_CMD
 void handleFillCmd( MESSAGE_T *message );