public function track_exports() {
        global $CFG;

        /// Whether this plugin is entitled to update export time
        if ($expplugins = explode(",", $CFG->gradeexport)) {
            if (in_array($this->plugin, $expplugins)) {
                return true;
            } else {
                return false;
          }
        } else {
            return false;
        }
    }