If replies are allowed in the announcement, you can @mention a course user in an announcement reply using Announcement Redesign.
To reply to the announcement, click the Reply button . To reply to an announcement reply, click the Reply link .
Use the Rich Content Editor to enter your reply, links, photos, equations, or media.
To mention a user in your reply type the @ symbol in the Rich Content Editor . A list of course users displays .
To locate the course user, scroll through the list or filter the list by typing the course user's name . Then select the user's name from the list .
Your @mention text displays in a purple font and highlight .
To post your reply, click the Save button .
Your post displays at the bottom of the thread.
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