1# JS API Changes of the Common Event and Notification Subsystem 2 3The table below lists the APIs changes of the common event and notification subsystem in OpenHarmony 3.2 Beta1 over OpenHarmony 3.1 Release. 4 5## API Changes 6 7| Module| Class| Method/Attribute/Enumeration/Constant| Change Type| 8|---|---|---|---| 9| commonEventSubscriber | CommonEventSubscriber | finishCommonEvent(callback: AsyncCallback\<void>): void;<br>finishCommonEvent(): Promise\<void>; | Added| 10| notificationSlot | NotificationSlot | readonly enabled?: boolean; | Added| 11| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_EJECT = "usual.event.data.VOLUME_EJECT" | Added| 12| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_BAD_REMOVAL = "usual.event.data.VOLUME_BAD_REMOVAL" | Added| 13| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_MOUNTED = "usual.event.data.VOLUME_MOUNTED" | Added| 14| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_UNMOUNTED = "usual.event.data.VOLUME_UNMOUNTED" | Added| 15| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_REMOVED = "usual.event.data.VOLUME_REMOVED" | Added| 16| ohos.notification | notification | isNotificationSlotEnabled(bundle: BundleOption, type: SlotType, callback: AsyncCallback\<boolean>): void;<br>isNotificationSlotEnabled(bundle: BundleOption, type: SlotType): Promise\<boolean>; | Added| 17| ohos.notification | notification | enableNotificationSlot(bundle: BundleOption, type: SlotType, enable: boolean, callback: AsyncCallback\<void>): void;<br>enableNotificationSlot(bundle: BundleOption, type: SlotType, enable: boolean): Promise\<void>; | Added| 18| ohos.notification | notification | cancelAsBundle(id: number, representativeBundle: string, userId: number, callback: AsyncCallback\<void>): void;<br>cancelAsBundle(id: number, representativeBundle: string, userId: number): Promise\<void>; | Added| 19| ohos.notification | notification | publishAsBundle(request: NotificationRequest, representativeBundle: string, userId: number, callback: AsyncCallback\<void>): void;<br>publishAsBundle(request: NotificationRequest, representativeBundle: string, userId: number): Promise\<void>; | Added| 20