1# NotificationSorting 2 3Provides sorting information of active notifications. 4 5> **NOTE** 6> 7> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version. 8 9**System capability**: SystemCapability.Notification.Notification 10 11**System API**: This is a system API and cannot be called by third-party applications. 12 13| Name | Type | Read-only| Mandatory| Description | 14| -------------------- | --------------------- | ---- | --- | ------------------------------------------ | 15| slot | [NotificationSlot](js-apis-inner-notification-notificationSlot.md) | Yes | Yes | Notification slot type. | 16| level | number | Yes | Yes | Notification level. If this parameter is not set, the default value is used based on the notification slot type.| 17| desc | string | Yes | Yes | Description of the notification slot. | 18