Thank You Page after checkout URL.

Source

File: /inc/booking-functions.php
Used by: /inc/booking-functions.php, /inc/helpers.php,
                 /inc/gateway/standard-paypal/class-wp-travel-gateway-paypal-request.php

Parameters
$thankyou_page_url, $booking_id

Example:

function prefix_wp_travel_thankyou_page_url( $thankyou_page_url, $booking_id ) {
    $thankyou_page_url = ‘URL’;
    return $thankyou_page_url;
}
add_filter( 'wp_travel_thankyou_page_url', 'prefix_wp_travel_thankyou_page_url', 12, 2 );