A Snippet to Display Custom Taxonomies in WordPress With a Shortcode

Custom Taxonomies Shortcode Snippet

<?php 

function rs_customtax() {
    $list = wp_list_categories( array(
        'taxonomy'   => 'customtax',
        'hide_empty' => 0,
        'echo'       => '',
        'title_li'   => '',
        // other args here
    ) );

     return "<ul>$list</ul>";

}

add_shortcode("rs_customtax", "rs_customtax");