2.0.1 + xf 1.2.2 is not working
$engine->notifyTaggedUsers3('post', $post['post_id'], $post['user_id'], $post['username'], 'tag', $this->_taggedUsers, $notifiedUserIds['alerted'], $notifiedUserIds['emailed'], $forumWatchModel, $options);
i guess bug here - $this->_taggedUsers is null...