Show the date, author, and text of the latest comment
comments.UMAX_BY($.created).map(CONCAT( $.author.user_display_name(), " said at ", FORMAT_DATETIME($.created, "yyyy-MM-dd HH:mm:ss"), ": ", $.body))
Show the last comment made by a user
comments.FILTER($.author = "admin").UMAX_BY($.created)
In this example, the last comment made by "admin" will be shown. To show comments for another user, replace "admin" accordingly.
Show the date of the latest comment done by a user
comments.filter(x -> x.author = "admin").map(x -> x.created).max()
In this example, the date corresponds to the last comment made by "admin." To show the date for another user, replace "admin" accordingly.
Display "Answered" if there are comments after my latest one
WITH myLastCommentDate = comments.FILTER($.author = me()).MAP($.created).MAX() : IF (comments.ANY($.created > myLastCommentDate); "Answered")