# JS API Changes of the Common Event and Notification Framework

The table below lists the APIs changes of the common event and notification framework in OpenHarmony 3.2 Beta1 over OpenHarmony 3.1 Release.

## API Changes

| Module| Class| Method/Attribute/Enumeration/Constant| Change Type|
|---|---|---|---|
| commonEventSubscriber | CommonEventSubscriber | finishCommonEvent(callback: AsyncCallback\<void>): void;<br>finishCommonEvent(): Promise\<void>; | Added|
| notificationSlot | NotificationSlot | readonly enabled?: boolean; | Added|
| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_EJECT = "usual.event.data.VOLUME_EJECT" | Added|
| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_BAD_REMOVAL = "usual.event.data.VOLUME_BAD_REMOVAL" | Added|
| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_MOUNTED = "usual.event.data.VOLUME_MOUNTED" | Added|
| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_UNMOUNTED = "usual.event.data.VOLUME_UNMOUNTED" | Added|
| ohos.commonEvent | Support | COMMON_EVENT_VOLUME_REMOVED = "usual.event.data.VOLUME_REMOVED" | Added|
| ohos.notification | notification | isNotificationSlotEnabled(bundle: BundleOption, type: SlotType, callback: AsyncCallback\<boolean>): void;<br>isNotificationSlotEnabled(bundle: BundleOption, type: SlotType): Promise\<boolean>; | Added|
| 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|
| 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|
| 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|