code: public function read(array $opts) {
          $discussion = $this->repo->readDiscussion($opts['objectid']);
          return array_merge(parent::read($opts), [
              'discussion' => $discussion,
              'module' => $this->repo->readModule($discussion->forum, 'forum'),
          ]);
      }
docs: Reads data for an event.
  @param [String => Mixed] $opts
  @return [String => Mixed]
  @override Event