1# User IAM Subsystem ChangeLog 2 3## cl.useriam.1 API9 Return Value Change 4 5Changed the return value **ResultCodeV9** to **UserAuthResultCode** for API9. 6 7**Change Impact** 8 9Applications developed based on earlier versions are not affected. For the applications developed from this version, the class name of the error code needs to be adapted. Otherwise, the service logic is affected. 10 11**Key API/Component Changes** 12 13N/A 14 15**Adaptation Guide** 16 17Change the class name for invoking the authentication result code from **ResultCode** to **UserAuthResultCode**. 18