function custom_list( $lists ) {
    $fil = "Dump";
    $new_lists = array(
        'ddl-list-block' => array(
            'name'      => __( 'Download Block', 'delightful-downloads' ),
            'format'    => "
              <article class=\"ddl-list-block ddl-list-item\" id=\"ddl-%id%\">

            <div class=\"download-wrap\" style=\"background-image: url('fi');\">
              <div class=\"download-item\">
                <div class=\"download-details\">
                  <h2>%title%</h2>
                  ".$fil."
                  <div class=\"download-meta\">
                    <div class=\"download-meta-data\"></div>
                    <a href=\"%url%\" class=\"download-link\">Download</a>
                  </div>
                </div>
              </div>
            </div>
          </article>
            "
        ),
        'ddl-list-plain' => array(
            'name'      => 'Plain List',
            'format'    => '<i class="fa fa-download"></i><a href="%url%" title="%title%" rel="nofollow">%title% - %date%</a>'
        )
    );

    return $new_lists;
}
add_filter( 'dedo_get_lists', 'custom_list' );