Index: Common.h
===================================================================
diff -u -rcc6261f66d7ad49efe9483d354166f03a5254a3d -r2d34a8a22eb654693c6ad85bb471a83f0ded7171
--- Common.h	(.../Common.h)	(revision cc6261f66d7ad49efe9483d354166f03a5254a3d)
+++ Common.h	(.../Common.h)	(revision 2d34a8a22eb654693c6ad85bb471a83f0ded7171)
@@ -274,6 +274,16 @@
     EVENT_DATAS_T       data;       ///< The event data of specified type.
 } EVENT_DATA_T;
 
+/// Payload record structure for event messages.
+typedef struct
+{
+    U32 event;                  ///< Event ID
+    U32 dataType1;              ///< Data type for data field 1
+    EVENT_DATAS_T data1;        ///< data field 1
+    U32 dataType2;              ///< Data type for data field 2
+    EVENT_DATAS_T data2;        ///< Data field 2
+} EVENT_PAYLOAD_T;
+
 /// Macro to set a specific alarm with 2 pieces of unsigned 32-bit alarm data.
 #define SEND_EVENT_WITH_2_U32_DATA(e,d1,d2)   { \
     EVENT_DATA_T dat1; \
@@ -419,21 +429,25 @@
     BOOL start;                                 ///< DG start stop trimmer heater.
 } DG_START_STOP_TRIMMER_HEATER_CMD_T;
 
+/// DG flush mode start stop command structure
 typedef struct
 {
     BOOL start;                                 ///< DG start stop flush mode.
 } DG_FLUSH_MODE_CMD_T;
 
+/// DG heat disinfect mode start stop command structure
 typedef struct
 {
     BOOL start;                                 ///< DG start stop heat disinfection mode.
 } DG_HEAT_DISINFECTION_MODE_CMD_T;
 
+/// DG chemical disinfect mode start stop command structure
 typedef struct
 {
     BOOL start;                                 ///< DG start stop chem disinfection mode.
 } DG_CHEM_DISINFECTION_MODE_CMD_T;
 
+/// DG sample water command structure.
 typedef struct
 {
     U32 cmd;                                    ///< DG sample water command.