How do I notify members after I’ve posted an update or response to chat?

Get one person's attention

  1. Type a message in a reply or start a new conversation.

  2. Type @ and the person's name.

  3. Select the person's name you want to mention.

  4. Finish your message and select Send.

Get an entire team or channel's attention

  1. Type a message in a reply or start a new conversation.

  2. Type @team or @channel.

  3. Select the team or channel you want to mention.

  4. Finish your message and select Send.

 

Watch the video:

https://support.microsoft.com/en-us/office/get-attention-with-mentions-b2ffb135-7069-4880-84ee-5b27f402418b