public function col_launch($tool) {
        global $OUTPUT;

        $url = helper::get_cartridge_url($tool);

        $cartridgeurllabel = get_string('cartridgeurl', 'enrol_lti');
        $cartridgeurl = $url;
        $secretlabel = get_string('secret', 'enrol_lti');
        $secret = $tool->secret;
        $launchurl = helper::get_launch_url($tool->id);
        $launchurllabel = get_string('launchurl', 'enrol_lti');

        $data = [
                "rows" => [
                    [ "label" => $cartridgeurllabel, "text" => $cartridgeurl, "id" => "cartridgeurl", "hidelabel" => false ],
                    [ "label" => $secretlabel, "text" => $secret, "id" => "secret", "hidelabel" => false ],
                    [ "label" => $launchurllabel, "text" => $launchurl, "id" => "launchurl", "hidelabel" => false ],
                ]
            ];

        $return = $OUTPUT->render_from_template("enrol_lti/copy_grid", $data);

        return $return;
    }