Add-on for Direct Stripe in order to declare the Cross Border Classification as metadata in payments and subscriptions

ds-cross-border-classification.php

<?php
/*
 * Plugin Name: DS Cross Border Classification
 * Author: Nicolas Figueira
 * Author URI: https://newo.me
 * Description: Declare Cross Border Classification during Direct Stripe transactions
 * Plugin URI: https://gist.github.com/New0/69100a1d6ba749c0e15d03cef9a4481b/edit
 * Version: 1.0.0
 */
function ds_cbc($data, $user, $token, $button_id) {
 $data[] = array(
		"metadata" => array(
			"cross_border_classification" => "export"
		)
	);
  return $data;
}
add_action( 'direct_stripe_charge_data', 'ds_cbc', 10, 4 );
add_action( 'direct_stripe_subscription_data', 'ds_cbc', 10, 4 );