If you are using CleanCloud's inventory stock tracking feature, you can enter the barcode number for each of your retail products when you add them as an inventory product to track on the Settings->Products page.
Once the products have their barcode numbers entered you can then enable the barcode scanning option in CleanCloud.
To Enable Barcode Scanning of Inventory / Retail Products
If you want to be able to scan the barcode of your inventory products to add it to an order, you will need to activate the "Use Barcode Scanner also with Inventory Products" setting on the Settings->Printers page. Once you have enabled it, press the blue update button.
Once you have activated this feature, you will be able to barcode scan your retail products and they will automatically added to the current order on the NEW ORDER page