WordPress at Your Fingertips
action is not described

woocommerce_thankyou action-hook . WC 1.0

Usage

add_action( 'woocommerce_thankyou', 'action_function_name_114' );
function action_function_name_114( $order_id ){
	// action...
}
$order_id
-

Where the hook is called

In file: /templates/checkout/thankyou.php
woocommerce_thankyou
woocommerce/templates/checkout/thankyou.php 80
<?php do_action( 'woocommerce_thankyou', $order->get_id() ); ?>

Where in WP core the hook is used WooCommerce

woocommerce/includes/wc-template-hooks.php 260
add_action( 'woocommerce_thankyou', 'woocommerce_order_details_table', 10 );