You can insert a secondary page to your invoices by following the simple steps below.
You can add an additional HTML file to your invoices like terms and conditions or policies.
Only the Basic HTML file is supported by the Simple Invoice for this feature. You can get more information about creating an HTML page by clicking here.
Step 1: Open Simple Invoice from your Shopify store’s “Apps” section.
Step 2: Click on the “Templates” on the Simple Invoice dashboard.
Step 3: Click on the Other Settings section, click on Choose File button and add the HTML file.
Step 4: Click on the Save button.