Snippet to add extra product description for UPS international shipping.

functions.php

/* Snippet to add extra product description for UPS international shipping.
Created at : 14 Jan 2019 PluginHive Plugins : https://www.pluginhive.com/plugins/
*/

add_filter( 'wf_ups_shipment_confirm_request_product_details', 'ph_ups_add_extra_product_description_for_commercial_invoice', 10, 2 );
if( ! function_exists('ph_ups_add_extra_product_description_for_commercial_invoice') ) {
	function ph_ups_add_extra_product_description_for_commercial_invoice( $product_details, $product_data ) {
		$description=".Add your description here"; // add extra description in the commercial invoice.
		$product_details['Description']=$product_details['Description'].$description;
		return $product_details;
	}
}