docs/main/end-user-guide/collaborate/message-priority.mdx
From Mattermost v7.7 and mobile v2.4, you can add a message priority label to root messages to make important messages requiring timely action or response more visible and less likely to be overlooked.
To set the priority of a new root message:
When you send a priority message, the priority label displays next to your name in the channel, as well as the Threads view when others reply to the thread.
From Mattermost v8.0, messages marked as urgent with a priority label and containing an @mention can trigger persistent notifications that repeat until the recipient acknowledges, reacts, or replies.
To enable persistent notifications for a message:
You must have desktop and/or mobile push notifications enabled to receive persistent notifications. How you're notified depends on your notifications preferences for desktop and mobile push notifications. You won't be notified when your availability is set to Do Not Disturb, or if you're Out of Office. Learn more about managing and customizing how you receive Mattermost notifications.
Urgent messages show a red mention badge which remains visibible until you view the message. Selecting the Acknowledge icon (when present) won't impact the urgent red mention badge.
To stop receiving persistent notifications, you can reply to the thread, select the Acknowlege icon (when present), or react to the thread with an emoji. Persistent notifications also stop if the original message is deleted, or if the maximum number of persistent notifications are sent.
You can additionally request that recipients actively acknowledge the message to track that messages have been seen and actioned. By default, marking a message as Urgent priority automatically requests an acknowledgement.
When you request acknowlegement of a message, an Acknowledge button is added below the sent message. You can mark message as acknowledged by selecting the button, and you can hover over the Acknowledged icon to review who has acknowledged the message.
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