Follow the steps below to obtain the code snippet from the Order Printer Pro application, which is required to send an invoice to customers via WhatsApp or SMS.  


Step 1: Open the Order Printer Pro app in Shopify and navigate to Automated PDFs.  Step 2: Ensure Receipt / Invoice is selected in the Template to use section. 

Step 3: Click the Setup PDF link button.  

Step 4: Click the Next Step button located at the top-right corner.  

Step 5: In Step 1, click the Copy code button to copy the code snippet.