Generating a list item (li) of child categories of a parent using the parent’s slug

Description

Simply change the slug bathroom to the new slug of the category that it belongs to. Children will only display if they are assigned posts. Empty categories will not display

PHP Source Code

                        
                          <?php
// Get ID for the named category
$cat_term_id = get_cat_ID( 'bathroom' );

wp_list_cats("parent=$cat_term_id");
//wp_list_categories("child_of=$cat_term_id");
?>