diff --git a/user_auth/v2_0/UserAuthTypes.idl b/user_auth/v2_0/UserAuthTypes.idl
index 793504a643abe187cfaa73ad5b55abff3a41e3f4..ba9941c88013d089fa141113ecd7cf3b544ec335 100644
--- a/user_auth/v2_0/UserAuthTypes.idl
+++ b/user_auth/v2_0/UserAuthTypes.idl
@@ -159,10 +159,14 @@ enum UserType : int {
  * @version 1.0
  */
 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,
 };
 
 /**