A backend event that fires when a vote is removed from a forum comment.
The onCommentUnvoted() event handler runs when a vote is removed from a forum comment.
The received UnvotedComment object contains information about the comment that was unvoted.
Notes:
Only comments on posts with a postType of "QUESTION" can be voted on.
Backend events are not fired when previewing your site.
Information about the forum comment that was upvoted.