Index: firmware/App/Controllers/Buttons.h
===================================================================
diff -u -r24b2fe72608344e67ef37234085d15ad5e4fcc37 -r22dc8daefbb24bd2a2ea6f0a2465c6714267638c
--- firmware/App/Controllers/Buttons.h	(.../Buttons.h)	(revision 24b2fe72608344e67ef37234085d15ad5e4fcc37)
+++ firmware/App/Controllers/Buttons.h	(.../Buttons.h)	(revision 22dc8daefbb24bd2a2ea6f0a2465c6714267638c)
@@ -46,6 +46,11 @@
 } OFF_BUTTON_MESSAGE_FROM_UI_PAYLOAD_T;
 #pragma pack(pop)
 
+typedef struct
+{
+    U32 powerOffWarning;                        ///< Power off warning message.
+} POWER_OFF_WARNING_DATA_T;
+
 // ********** public function prototypes **********
 
 void initButtons( void );