You can insert a download link to the Shopify order notification email by following the simple steps below.
Step 1: Open Simple Invoice from your Shopify store’s “Apps” section.
Step 2: Click on “Settings” on the Simple Invoice dashboard.
Step 3: Scroll down to the Automated PDF Download Links section, select the document type, click on the Click to copy button, and click on the “Shopify customer notification emails” link in order to redirect to the Shopify Notifications.
Step 4: Click on the Order confirmation.
Step 5: Paste the PDF Download Link Code before the last {% endif %} which is above the <!DOCTYPE html>.
You can also add HTML elements in order to give your link a better look. You can find an example code below.
<CENTER>
<p><br>
<a target="_blank" href="https://yourShopifyUrl.myshopify.com/apps/download?hash=RXd1bVYxNDNNendO&ids={{ id }}&template_type=invoice"> DOWNLOAD YOUR INVOICE </a>
</CENTER>