> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://gst-invoice.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to attach custom GST-Invoice along with order confirmation mail?

With our GST Invoice + Reports, you get an option to send custom invoices with the order confirmation e-mail. Simply follow the steps below to enable this feature and you will be able to send custom GST-Invoices:

1. Click Email from the left sidebar menu of the GST Invoice + Reports app.

![](https://storage.crisp.chat/users/helpdesk/website/900d602e40d15000/image_10rcysr.png)

2. Select the Invoice option from the document type.

3. Now you have to click on the copy button and our code snippet will get copied for you.
4. Go to **Shopify Settings -> Notifications -> Order confirmation**


![](https://storage.crisp.chat/users/helpdesk/website/900d602e40d15000/image_ju3iog.png)

5. Click on **Edit code**

6. Now, On line number 35 and bring the pointer to start, here you have to paste the code. The code should be pasted before `{% endcapture %}`


![](https://storage.crisp.chat/users/helpdesk/website/900d602e40d15000/image_10319l6.png)



Now in every confirmation email Shopify sends, there will be a **Download GST invoice** link


![](https://storage.crisp.chat/users/helpdesk/website/900d602e40d15000/image_y8pp38.png)