Index: HDDefs.h
===================================================================
diff -u -rf3a49849c4c4203eeb8e570b11dd7f9a787295a4 -ra2acf043b65112d1689b300c51c4751e0709da2d
--- HDDefs.h	(.../HDDefs.h)	(revision f3a49849c4c4203eeb8e570b11dd7f9a787295a4)
+++ HDDefs.h	(.../HDDefs.h)	(revision a2acf043b65112d1689b300c51c4751e0709da2d)
@@ -745,13 +745,42 @@
 };
 typedef enum HD_Event_List HD_EVENT_ID_T;                               ///< Type for HD event list enumeration
 
+/// Enumeration of generic confirmation request type from HD to UI.
+enum Generic_Confirm_Command
+{
+    GENERIC_CONFIRM_CMD_REQUEST_OPEN    = 0,                            ///< Generic Confirm command to display the confirmation
+    GENERIC_CONFIRM_CMD_TIMEOUT_CLOSE   = 1,                            ///< Generic Confirm command to hide    the confirmation, due to timeout user confirmation
+    GENERIC_CONFIRM_CMD_REJECT          = 2,                            ///< Generic Confirm command to display the confirmation rejection in case the request in not valid/accepted anymore.
+    GENERIC_CONFIRM_CMD_ACCEPT_CLOSE    = 3,                            ///< Generic Confirm command to hide    the confirmation, due to accept  user confirmation.
+    NUM_OF_GENERIC_CONFIRM_COMMAND         ,                            ///< Total number of generic confirm commands
+};
+typedef enum Generic_Confirm_Command GENERIC_CONFIRM_COMMAND_T;         ///< Type for generic confirm enumeration
+
 /**@}*/
 
 /**
  *  @addtogroup UIUserConfirm
  *  @{
  */
 
+/// Enumeration of generic confirmation id between HD and UI.
+enum Generic_Confirm_Id
+{
+    GENERIC_CONFIRM_ID_NONE = 0,                                        ///< Generic Confirm None
+    GENERIC_CONFIRM_ID_DISINFECT_STOP_WATERFLUSH,                       ///< water flush        stop user confirmation
+    GENERIC_CONFIRM_ID_DISINFECT_STOP_HEAT,                             ///< Heat disinfect     stop user confirmation
+    GENERIC_CONFIRM_ID_DISINFECT_STOP_CHEMICAL,                         ///< Chemical disinfect stop user confirmation
+    NUM_OF_GENERIC_CONFIRM_IDS,                                         ///< Total number of generic confirm IDs
+};
+typedef enum Generic_Confirm_Id GENERIC_CONFIRM_ID_T;                   ///< Type for generic confirm enumeration
+
+/**@}*/
+
+/**
+ *  @addtogroup UIUserConfirm
+ *  @{
+ */
+
 /// Enumeration of generic confirmation.
 enum Generic_Confirm_Command
 {