# Message Tracking notifications

Source: https://developer.nylas.com/docs/reference/notifications/message-tracking/

Notifications for tracked message opens, link clicks, and replies.

## Triggers

- [`message.opened`](https://developer.nylas.com/docs/reference/notifications/message-tracking/message-opened/) - Sent when a participant opens a tracked message.
- [`message.link_clicked`](https://developer.nylas.com/docs/reference/notifications/message-tracking/message-link_clicked/) - Sent when a participant clicks a link in a tracked message.
- [`thread.replied`](https://developer.nylas.com/docs/reference/notifications/message-tracking/thread-replied/) - Sent when a participant replies to a tracked email thread.
- [`message.opened.legacy`](https://developer.nylas.com/docs/reference/notifications/message-tracking/message-opened-legacy/) - Legacy format for message opened tracking notifications.
- [`message.link_clicked.legacy`](https://developer.nylas.com/docs/reference/notifications/message-tracking/message-link_clicked-legacy/) - Legacy format for link clicked tracking notifications.
- [`thread.replied.legacy`](https://developer.nylas.com/docs/reference/notifications/message-tracking/thread-replied-legacy/) - Legacy format for thread replied tracking notifications.