Dynamic "Slugs mode"

function pm_slugs_mode($custom_slug_mode, $slug, $object) {
    if(!empty($object->post_type) && $object->post_type == 'job_listing') {
        // Use post titles for single listings
        $custom_slug_mode = 1;

        // Use native slugs for single listings (default mode)
        // $custom_slug_mode = 0;
    }

    return $custom_slug_mode;
}
add_filter('permalink_manager_force_custom_slugs', 'pm_slugs_mode', 99, 3);