1# ANS Subsystem Changelog 2 3## cl.notificationManager.1 API Renaming 4 5Renamed certain APIs to meet the naming conventions. 6 7**Change Impact** 8 9The underlying layer still supports the functions of the original APIs, and therefore these APIs can be called in OpenHarmony 4.0.2.3. 10 11**Key API/Component Changes** 12 13| Bundle Name | Original API | New API | 14| --------------- | ------------------------------------------------------------ | ------------------------------------------------------------ | 15| ohos.notificationManager.d.ts | **function** supportDoNotDisturbMode(callback: AsyncCallback\<boolean>): **void**; | **function** isSupportDoNotDisturbMode(callback: AsyncCallback\<boolean>): **void**; | 16| ohos.notificationManager.d.ts | **function** supportDoNotDisturbMode(): Promise\<boolean>; | **function** isSupportDoNotDisturbMode(): Promise\<boolean>; | 17 18**Adaptation Guide** 19 20Call the new API **isSupportDoNotDisturbMode**. 21