Custom Attributes WooCommerce Child Product

custom_attr_child_product.php

<?php

/**
* Show custom attributes in child product
*/

/**
*Snippet to add show ACF field content in child product
*/

function acf_filter_field($title, $child_product) {
	return sprintf('<h4>%s</h4><p>%s</p><p>Météo annuelle: %s</p><p>Domaine: %s</p><p>Région: %s</p>',
	$title,
	$child_product->get_attribute( 'millésime' ),
	get_field('synthèse_degustation', $child_product->get_ID()),
	$child_product->get_attribute( 'domaine' ),
	$child_product->get_attribute( 'zone_géographique' )	
);
}
add_filter( 'pewc_child_product_title', 'acf_filter_field', 10, 2);