How can I @mention a person so it displays the full name and not username?

[Michael Lopez]

When I make a mention to anybody. For example writing @(person) then the comment in Jira shows [username] instead of my full name.

ML

[Tushar]

Have a look at below links:

https://community.atlassian.com/t5/Jira-questions/Show-usernames-instead-of-realnames/qaq-p/373442

https://community.atlassian.com/t5/Answers-Developer-Questions/How-to-capture-the-full-name-of-user-instead-of-username-in/qaq-p/479608