diff --git a/user_auth/v2_0/UserAuthTypes.idl b/user_auth/v2_0/UserAuthTypes.idl
index 793504a643abe187cfaa73ad5b55abff3a41e3f4..7cc2a448ddfaec7b45e4947dfdb7494f291a3e82 100644
--- a/user_auth/v2_0/UserAuthTypes.idl
+++ b/user_auth/v2_0/UserAuthTypes.idl
@@ -156,13 +156,17 @@ enum UserType : int {
  * @brief Reuse mode.
  *
  * @since 5.0
- * @version 1.0
+ * @version 1.1
  */
 enum ReuseMode : int {
-    /**< sub user. */
+    /**< auth type relevant. */
     AUTH_TYPE_RELEVANT = 1,
-    /**< private user. */
+    /**< auth type irrelevant. */
     AUTH_TYPE_IRRELEVANT = 2,
+    /**< caller irrelevant and auth type relevant */
+    CALLER_IRRELEVANT_AUTH_TYPE_RELEVANT = 3,
+    /**< caller irrelevant and auth type irrelevant */
+    CALLER_IRRELEVANT_AUTH_TYPE_IRRELEVANT = 4,
 };
 
 /**