You can generate QR code in your invoice print-out to let your staff scan and verify the QR code from client phone upon pick-up or delivery.
How to generate the invoice with QR code
Go to Admin > Orders > All > Change order status to
Confirmed.
Click on order that has been changed to see the invoice detail.
Scroll to the invoice page and click on
Open linkbutton
Check the QR code generated at the bottom of invoice, then you can print it if required.
