Add customer name to WooCommerce Admin New Order Email subject

wc-admin-new-order-email-change-subject.php

<?php // only copy this line if needed!


/**
 * Adds customer first and last name to admin new order email subject.
 *
 * @param string $subject email subject
 * @param \WC_Order $order the order object for the email
 * @return string updated subject
 */
function skyverge_add_customer_to_email_subject( $subject, $order ) {

	$subject .= ' from ' . $order->get_billing_first_name() . ' ' . $order->get_billing_last_name();

	return $subject;
}
add_filter( 'woocommerce_email_subject_new_order', 'skyverge_add_customer_to_email_subject', 10, 2 );

if i want product name Was Sold how to do that?

hello, same question would be important for me. the code works fine, just the product name must be added to the subject.
How can that be done?