Index: Common.h
===================================================================
diff -u -re607e6333b39b9768de5185f8ef7e146a60485f4 -r8d609b85ad9f12daf537a483d2b03e72f0d7cd0f
--- Common.h	(.../Common.h)	(revision e607e6333b39b9768de5185f8ef7e146a60485f4)
+++ Common.h	(.../Common.h)	(revision 8d609b85ad9f12daf537a483d2b03e72f0d7cd0f)
@@ -461,6 +461,14 @@
 } DG_SERVICE_RECORD_T;
 #pragma pack(pop)
 
+/// DG start/stop command data structure
+typedef struct
+{
+    BOOL startDG;                               ///< Start or stop DG boolean flag.
+    U32 acidType;                               ///< Acid type.
+    U32 bicarbType;                             ///< Bicarb type.
+} DG_START_STOP_CMD_T;
+
 // **** VectorCAST Definitions ****
 
 #ifdef _VECTORCAST_