add_action( 'woocommerce_thankyou', 'action_function_name_6612' );
function action_function_name_6612( $order_id ){
// action...
}add_action( 'woocommerce_thankyou', 'action_function_name_6612' );
function action_function_name_6612( $order_id ){
// action...
}/**
* @snippet WooCommerce add text to the thank you page
* @how-to Get CustomizeWoo.com FREE
* @author Rodolfo Melogli
* @testedwith WooCommerce 4.5
*/
add_action( 'woocommerce_thankyou', 'bbloomer_add_content_thankyou' );
function bbloomer_add_content_thankyou() {
echo '<p>Some HTML content!</p>';
}