@sukh
You are posting this some months after the last message in this thread. To attract the attention of the OP (Original Poster), use the @ sign to select their name. Enter '@' directly followed by the name (say) MarioM. As you type, various names will appear in a drop-down list. You must select a name from that list (otherwise it will not be highlighted). Your target will receive a Notification that they have been referred to. Just as you should have received a Notification of this message.
John