QR code on receipt

[Leukekoopjesgekkekoo]

I am looking for a way to make retrieving receipts faster and more efficient. I want to add a barcode or QR code with the ticket number at the bottom of each receipt.
This would allow us to easily scan the receipt in the cash register system and immediately open the corresponding ticket, eliminating the need for manual searches. This would improve the speed and accuracy of customer service, returns, or administrative checks.
But my question is, how do I do this?