function add_address_to_note( $engagement_data, $order_id ) {

    $order      = wc_get_order( $order_id );
    $order_data = $order->get_data();

    $new_text  = '<br /><br />Address:';
    $new_text .= '<ul>';
    $new_text .= '<li>Address 1 ' . $order_data['billing_address_1'] . '</li>';
    $new_text .= '<li>Address 2 ' . $order_data['billing_address_2'] . '</li>';
    $new_text .= '<li>City ' . $order_data['billing_city'] . '</li>';
    $new_text .= '<li>State ' . $order_data['billing_state'] . '</li>';
    $new_text .= '</ul>';

    $engagement_data['metadata']['body'] .= $new_text;

    return $engagement_data;

}

add_filter( 'wpf_ecommerce_hubspot_add_engagement', 'add_address_to_note', 10, 2 );