In some cases I would like to make sure that an OP is notified of a comment I make (because, say, the comment is in some way a request for more information).

I expect that if I comment directly on their question, they will be notified (tell me if I'm wrong).

But I don't think that a comment made on an answer to their question will trigger a notification. At least not based on my experience as an OP.

So if they comment on an answer I've made to their question, and I want to respond to their comment with a comment, is there any guarantee that they will be notified of my comment?

1 Answer 1


If they commented on your answer and you include @their-user-name in your comment, they will be notified. You cannot notify OP this way if he didn't comment your answer. See How do comment replies work?

Otherwise, they will only be notified if you comment on one of their posts.

  • Thanks for the link, previously I wasn't sure whether the @user was informal or triggered a notify.
    – brainjam
    May 4, 2010 at 21:26
  • @brainjam: You should be notified of this comment.
    – mmyers
    May 4, 2010 at 22:04
  • yes, I got notified.
    – brainjam
    May 5, 2010 at 3:16
  • 2
    what if @brainjam was notified just because he already commented on this post?
    – Tomas
    Aug 1, 2019 at 5:37

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