How to add download invoice button in new customer page

This guide outlines the steps to enable the Download GST Invoice button on the customer page.

Before proceeding, ensure that Modern Customer Accounts is enabled in your Shopify store. You can do this by navigating to Shopify Admin → Settings → Customer Accounts → Customize.

Next, go to Shopify Admin → Settings → Checkout and click on Customize under the
configurations section. This will open the checkout customizer.

Within the customizer, navigate to App embeds, search for GST Pro, and enable the Download GST Invoice button. You can also update the button label if needed.