> ## Documentation Index
> Fetch the complete documentation index at: https://www.plain.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# updateInternalNotifications

> Marks one or more internal notifications as read, unread, or archived.
Pass the notification IDs to update along with the desired `readAt` and/or `archivedAt` timestamps.
Set `readAt` to null to mark a notification as unread; set `archivedAt` to a timestamp to archive it.
Returns the updated notifications. Requires the `user:read` permission.