Field code
%{issue.lastComment}
Field code
issue?.comments != [] ? issue?.comments[issue?.comments?.length-1].body?.plainText : null

Comments are stored in lists. Documentation on how to work with lists can be found here.

You can access the whole comment by issue.comments[0] which returns an objectissue.comments will return a list of objects.

Read

Returned valueThe last comment entered in the issue
Output data type

TEXT

Example outputTake your Jira to the next level by using JWT for Jira Cloud

If you still have questions, feel free to refer to our support team.