Redirect to custom page after successful purchase - WebToffee WooCommerce Subscriptions

functions.php

add_action('template_redirect', 'webtoffee_custom_redirect_after_purchase');

function webtoffee_custom_redirect_after_purchase() {

    global $wp;

    if (is_checkout() && !empty($wp->query_vars['order-received'])) {

        wp_redirect('http://www.webtoffee.com/'); // Redirect to your desired page here.

        exit;
    }
}