public function col_courseid($row) {
        $courses = $this->feedbackstructure->get_completed_courses();
        $name = '';
        if (isset($courses[$row->courseid])) {
            $name = $courses[$row->courseid];
            if (!$this->is_downloading()) {
                $name = html_writer::link(course_get_url($row->courseid), $name);
            }
        }
        return $name;
    }