Now you can mention your colleague’s in SharePoint list item comments

[ganeshsanap]

Now you can mention your colleague’s in #SharePoint list item comments

• Get a colleague's attention to an list item by @mentioning them within list comments
• Mentioned user will receive an email notification with a link to the list comment

Read more at: SharePoint Online/Microsoft Lists: @mention people in list comments 

[#2 · Accepted solution]

Also check All you need to know about Commenting in SharePoint / Microsoft Lists.