1# JS API Changes of the Common Event and Notification Framework 2 3The table below lists the APIs changes of the common event and notification framework in OpenHarmony 3.1 Release over OpenHarmony 3.0 LTS. 4 5## API Changes 6 7| Module| Class| Method/Attribute/Enumeration/Constant| Change Type| 8|---|---|---|---| 9| notificationUserInput | NotificationUserInput | inputKey: string; | Added| 10| notificationTemplate | NotificationTemplate | data: {[key: string]: Object}; | Added| 11| notificationTemplate | NotificationTemplate | name: string; | Added| 12| notificationRequest | DistributedOptions | supportOperateDevices?: Array\<string>; | Added| 13| notificationRequest | DistributedOptions | supportDisplayDevices?: Array\<string>; | Added| 14| notificationRequest | DistributedOptions | isDistributed?: boolean; | Added| 15| notificationRequest | NotificationRequest | readonly notificationFlags?: NotificationFlags; | Added| 16| notificationRequest | NotificationRequest | distributedOption?: DistributedOptions; | Added| 17| notificationRequest | NotificationRequest | template?: NotificationTemplate; | Added| 18| notificationRequest | NotificationRequest | readonly creatorUserId?: number; | Added| 19| notificationRequest | NotificationRequest | groupName?: string; | Added| 20| notificationActionButton | NotificationActionButton | userInput?: NotificationUserInput; | Added| 21| ohos.notification | notification | isDistributedEnabled(callback: AsyncCallback\<boolean>): void;<br>isDistributedEnabled(): Promise\<boolean>; | Added| 22| ohos.notification | notification | requestEnableNotification(callback: AsyncCallback\<void>): void;<br>requestEnableNotification(): Promise\<void>; | Added| 23| ohos.notification | notification | isSupportTemplate(templateName: string, callback: AsyncCallback\<boolean>): void;<br>isSupportTemplate(templateName: string): Promise\<boolean>; | Added| 24| ohos.notification | notification | cancelGroup(groupName: string, callback: AsyncCallback\<void>): void;<br>cancelGroup(groupName: string): Promise\<void>; | Added| 25| ohos.events.emitter | EventPriority | IDLE | Added| 26| ohos.events.emitter | EventPriority | LOW | Added| 27| ohos.events.emitter | EventPriority | HIGH | Added| 28| ohos.events.emitter | EventPriority | IMMEDIATE = 0 | Added| 29| ohos.events.emitter | InnerEvent | priority?: EventPriority; | Added| 30| ohos.events.emitter | InnerEvent | eventId: number; | Added| 31| ohos.events.emitter | EventData | data?: {[key: string]: any}; | Added| 32| ohos.events.emitter | emitter | emit(event: InnerEvent, data?: EventData): void; | Added| 33| ohos.events.emitter | emitter | off(eventId: number): void; | Added| 34| ohos.events.emitter | emitter | once(event: InnerEvent, callback: Callback\<EventData>): void; | Added| 35| ohos.events.emitter | emitter | on(event: InnerEvent, callback: Callback\<EventData>): void; | Added| 36| ohos.commonEvent | Support | COMMON_EVENT_SPLIT_SCREEN = "common.event.SPLIT_SCREEN" | Added| 37| ohos.commonEvent | Support | COMMON_EVENT_THERMAL_LEVEL_CHANGED = "usual.event.THERMAL_LEVEL_CHANGED" | Added| 38