Offer a Discount Code On The Shopify Order Status Page

 Go to Settings > Checkout

Scroll down to Additional scripts

Then paste the below code, make sure you change the discount code “THANKYOU30” to the discount code you want. Also change “ENJOY 30% OFF” to the discount amount you made when you created the discount code.

<script>

  Shopify.Checkout.OrderStatus.addContentBox(`

  <link rel="preconnect" href="https://fonts.googleapis.com">

  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>

  <link href="https://fonts.googleapis.com/css2?family=Courgette&display=swap" rel="stylesheet">

  <h2 style="text-align:center; font-size:36px; font-family: 'Courgette', cursive;">Thank You For Your Order</h2>

  <h2 style="text-align:center; font-size:24px;">ENJOY 30% OFF</h2>

  <h2 style="text-align:center; font-size:24x;">YOUR NEXT ORDER</h2>

  <h2 style="text-align:center; font-size:24x;">USE CODE <span style="font-weight:700;color:red;">THANKYOU30</span></h2>

  `)

</script>

You’re done! Now you customers will see a content box with the thank you message and a discount code for their next purchase.