Dynamic Purchase Tracking Code - Thank you page

wc-dynamic-tracking-code-thank-you-page

// Dynamic Purchase Tracking Code - Thank you page
function thankyou_tracking( $order_id ) {
   $order = new WC_Order( $order_id );
   $order_total = $order->get_total();
   $order_nr = $order->get_order_number();
 ?>

    <!-- Tracking Code -->
    <?php echo $order_nr; ?>
    <?php echo $order_total; ?>
    <!-- END Tracking Tracking Code -->

<?php
}
add_action( 'woocommerce_thankyou', 'thankyou_tracking', 30 );