1e41f4b71Sopenharmony_ci# User IAM Subsystem Changelog 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci## cl.useriam.1 API9 Result Value Change 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ciChanged the return value **ResultCodeV9** to **UserAuthResultCode** for API9. 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ci**Change Impact** 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ciApplications 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. 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ci**Key API/Component Changes** 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ciN/A 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci**Adaptation Guide** 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ciChange the class name for invoking the authentication result code from **ResultCode** to **UserAuthResultCode**. 18