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Enter a member’s name, or select one from the list of members. You can repeat this step for every person you’d like to mention in your message.
Send your message.
How people are notified
Direct messages (DMs)
If the person has already joined the channel, the member will be notified. If the person hasn’t yet joined the channel, here’s what to expect:
If it’s a public channel, Slackbot will ask you if you’d like to invite the member(s) to join the channel, send them a link to your message, or do nothing at all.
If it’s a private channel, the member won’t be notified and can’t see your message until you invite them to join the channel.
If the person is part of the DM, the member will be notified. If the person is not in the DM, the member won’t be notified.
Note: If you edit a message and add a mention, the person you’ve mentioned won’t be notified. If they aren't already in the channel, you won't see a prompt to add them.
Several matches for a display name
If there are multiple matches for a display name, you’ll see a dotted blue box around the name you’ve entered. Click the question mark to select the person you’d like to mention in your message.
View your mentions
When someone mentions you in a conversation, your name will be highlighted in yellow. You can also view all recent mentions of your name, along with any of your keyword notifications, on your desktop and mobile devices.
Desktop: Click Mentions & reactions in the left sidebar.
Mobile: Tap the Mentions tab at the bottom of the Slack app.
Tip: From Mentions & reactions on your desktop, you can click the Filters icon in the top right to manage whether you see @channel mentions, reactions, and user group mentions.