code: public function readFacetofaceSession($id) {
          $model = $this->readObject($id, 'facetoface_sessions');
          $model->dates = $this->readStoreRecords('facetoface_sessions_dates', ['sessionid' => $id]);
          $model->url = $this->cfg->wwwroot . '/mod/facetoface/signup.php?s=' . $id;
          return $model;
      }
docs: Reads a face to face session
  @return PhpObj