Use this snippet to automatically move to the next step after making a valid selection.

woocommerce-composites-autotransition.php

<?php
/**
 * Plugin Name: WooCommerce Composite Products - Autotransition
 * Plugin URI: https://woocommerce.com/products/composite-products/
 * Description: Use this snippet to automatically move to the next step after making a valid selection.
 * Version: 1.0
 * Author: SomewhereWarm
 * Author URI: https://somewherewarm.gr/
 * Developer: Manos Psychogyiopoulos
 *
 * Requires at least: 3.8
 * Tested up to: 4.8
 *
 * Copyright: © 2017-2020 SomewhereWarm SMPC ([email protected]).
 * License: GNU General Public License v3.0
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html
 */
 
// To use this snippet, download this file into your plugins directory and activate it, or copy the code under this line into the functions.php file of your (child) theme.
add_filter( 'woocommerce_composite_component_classes', 'wc_cp_autotransition', 10, 3 );

function wc_cp_autotransition( $classes, $component_id, $composite ) {
	$classes[] = 'autotransition';
	return $classes;
}

I'm trying to use a product in component mode. When I make a selection I want it to go straight to the next item or return to the main screen to select the next item. Is this code supposed to do this, if so I can't get it to work. Any chance you could give me some pointers?

http://flowersflowersflowers.com.au/product/florist-builder/ this is the site that I am doing it for.