public function get_url() {
        if ($this->anonymous) {
            return new \moodle_url('/mod/feedback/show_entries.php', array('id' => $this->other['cmid'],
                    'showcompleted' => $this->objectid));
        } else {
            return new \moodle_url('/mod/feedback/show_entries.php' , array('id' => $this->other['cmid'],
                    'userid' => $this->userid, 'showcompleted' => $this->objectid));
        }
    }