Adjust permalink on save

// Adjust permalink to /network/{role}/
function adjust_permalink($post_link, $post)
{
    if (is_object($post) && $post->post_type == 'network') :
        $terms = wp_get_object_terms($post->ID, 'role');
        if ($terms) :
            return str_replace('%role%', $terms[0]->slug, $post_link);
        endif;
    endif;

    return $post_link;
}

add_filter("post_type_link", [$this, "adjust_permalink"], 1, 2);