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+# 通知子系统-通知服务ChangeLog
+
+## cl.notification.1  实况通知相关字段变更为SystemAPI
+
+实况通知相关仅允许系统应用使用，需要为实况通知对应的SlotType和NotificationContent增加SystemAPI注解。
+
+**变更影响**
+
+只有系统应用允许发送实况通知。
+
+- 涉及接口
+
+```js
+  export interface NotificationContent;
+  export enum SlotType;
+```
+
+- 变更前：
+
+NotificationContent中的systemLiveView无@systemapi注解，SlotType中的liveView无@systemapi注解。
+
+```js
+  /**
+ * Describes notification types.
+ *
+ * @typedef NotificationContent
+ * @syscap SystemCapability.Notification.Notification
+ * @since 7
+ */
+export interface NotificationContent {
+  /**
+   * Notification content type.
+   *
+   * @type { ?notification.ContentType }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   * @deprecated since 11
+   * @useinstead NotificationContent#notificationContentType
+   */
+  contentType?: notification.ContentType;
+
+  /**
+   * Notification content type.
+   *
+   * @type { ?notificationManager.ContentType }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 11
+   */
+  notificationContentType?: notificationManager.ContentType;
+
+  /**
+   * Normal text notification.
+   *
+   * @type { ?NotificationBasicContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   */
+  normal?: NotificationBasicContent;
+
+  /**
+   * Long text notification.
+   *
+   * @type { ?NotificationLongTextContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   */
+  longText?: NotificationLongTextContent;
+
+  /**
+   * Multi-line text notification.
+   *
+   * @type { ?NotificationMultiLineContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   */
+  multiLine?: NotificationMultiLineContent;
+
+  /**
+   * Picture-attached notification.
+   *
+   * @type { ?NotificationPictureContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   */
+  picture?: NotificationPictureContent;
+
+  /**
+   * System-live-view notification.
+   *
+   * @type { ?NotificationSystemLiveViewContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @systemapi
+   * @since 11
+   */
+  systemLiveView?: NotificationSystemLiveViewContent;
+
+  /**
+   * live-view notification.
+   *
+   * @type { ?NotificationLiveViewContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 11
+   */
+  liveView?: NotificationLiveViewContent;
+}
+
+/**
+   * Describes NotificationSlot types.
+   *
+   * @enum { number }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 9
+   */
+  export enum SlotType {
+    /**
+     * NotificationSlot of an unknown type.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    UNKNOWN_TYPE = 0,
+
+    /**
+     * NotificationSlot for social communication.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    SOCIAL_COMMUNICATION = 1,
+
+    /**
+     * NotificationSlot for service information.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    SERVICE_INFORMATION = 2,
+
+    /**
+     * NotificationSlot for content information.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    CONTENT_INFORMATION = 3,
+
+    /**
+     * NotificationSlot for live view.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 11
+     */
+    LIVE_VIEW = 4,
+
+    /**
+     * NotificationSlot for customer service.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 11
+     */
+    CUSTOMER_SERVICE = 5,
+
+    /**
+     * NotificationSlot for other purposes.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    OTHER_TYPES = 0xFFFF
+  }
+```
+
+- 变更后：
+
+NotificationContent中的systemLiveView增加@systemapi注解，SlotType中的liveView增加@systemapi注解。
+
+```js
+  /**
+ * Describes notification types.
+ *
+ * @typedef NotificationContent
+ * @syscap SystemCapability.Notification.Notification
+ * @since 7
+ */
+export interface NotificationContent {
+  /**
+   * Notification content type.
+   *
+   * @type { ?notification.ContentType }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   * @deprecated since 11
+   * @useinstead NotificationContent#notificationContentType
+   */
+  contentType?: notification.ContentType;
+
+  /**
+   * Notification content type.
+   *
+   * @type { ?notificationManager.ContentType }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 11
+   */
+  notificationContentType?: notificationManager.ContentType;
+
+  /**
+   * Normal text notification.
+   *
+   * @type { ?NotificationBasicContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   */
+  normal?: NotificationBasicContent;
+
+  /**
+   * Long text notification.
+   *
+   * @type { ?NotificationLongTextContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   */
+  longText?: NotificationLongTextContent;
+
+  /**
+   * Multi-line text notification.
+   *
+   * @type { ?NotificationMultiLineContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   */
+  multiLine?: NotificationMultiLineContent;
+
+  /**
+   * Picture-attached notification.
+   *
+   * @type { ?NotificationPictureContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 7
+   */
+  picture?: NotificationPictureContent;
+
+  /**
+   * System-live-view notification.
+   *
+   * @type { ?NotificationSystemLiveViewContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @systemapi
+   * @since 11
+   */
+  systemLiveView?: NotificationSystemLiveViewContent;
+
+  /**
+   * live-view notification.
+   *
+   * @type { ?NotificationLiveViewContent }
+   * @syscap SystemCapability.Notification.Notification
+   * @systemapi
+   * @since 11
+   */
+  liveView?: NotificationLiveViewContent;
+}
+
+/**
+   * Describes NotificationSlot types.
+   *
+   * @enum { number }
+   * @syscap SystemCapability.Notification.Notification
+   * @since 9
+   */
+  export enum SlotType {
+    /**
+     * NotificationSlot of an unknown type.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    UNKNOWN_TYPE = 0,
+
+    /**
+     * NotificationSlot for social communication.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    SOCIAL_COMMUNICATION = 1,
+
+    /**
+     * NotificationSlot for service information.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    SERVICE_INFORMATION = 2,
+
+    /**
+     * NotificationSlot for content information.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    CONTENT_INFORMATION = 3,
+
+    /**
+     * NotificationSlot for live view.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 11
+     * @systemapi
+     */
+    LIVE_VIEW = 4,
+
+    /**
+     * NotificationSlot for customer service.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 11
+     */
+    CUSTOMER_SERVICE = 5,
+
+    /**
+     * NotificationSlot for other purposes.
+     *
+     * @syscap SystemCapability.Notification.Notification
+     * @since 9
+     */
+    OTHER_TYPES = 0xFFFF
+  }
+```
+
+**适配指导**
+
+实况通知仅支持系统应用使用。