1# NotificationSortingMap (System API) 2 3The **NotificationSortingMap** module provides APIs for defining the sorting information of active notifications in all subscribed 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> The APIs provided by this module are system APIs. 10 11## Properties 12 13**System capability**: SystemCapability.Notification.Notification 14 15**System API**: This is a system API. 16 17| Name | Type | Read Only| Optional| Description | 18| ----------- | ------- | --- | ----- |------------------------------------------ | 19| sortings | Record<string, [NotificationSorting](js-apis-inner-notification-notificationSorting-sys.md)\> | Yes| No | Array of notification sorting information. | 20| sortedHashCode | Array<string\> | Yes| No | Hash codes for notification sorting.| 21