Filter email recipient for new registration notifications

wcmo_new_registration_email_recipient.php

<?php
/**
 * Filter email recipient for new registration notifications
 */
function prefix_new_registration_email_recipient( $to ) {
	$to .= ', you@email.com';
	return $to;
}
add_filter( 'wcmo_new_registration_email_recipient', 'prefix_new_registration_email_recipient' );