<?php // don't add this line since it's already in your functions.php file


function _add_hsd_woo_build_response_html( $html = '', $handler_object ) {
	if ( ! function_exists( 'get_user_blog_url_by_email' ) ) {
		return;
	}
	if ( ! empty( $handler_object->customer_emails ) ) {
		$html .= '<ul class="unstyled">';
		foreach ( $handler_object->customer_emails as $email ) {
			$user = get_user_by( 'email', $email );
			if ( ! is_a( $user, 'WP_User' ) ) {
				continue;
			}
			$html .= '<li>' . get_user_blog_url_by_email( $email ) . '</li>'; // append the url to the html
		}
		$html .= '</ul>';
	}
	return $html;
}
add_filter( 'hsd_woo_build_response_html', '_add_hsd_woo_build_response_html', 10, 2 );