You can't generate barcodes directly on Prediko, however you can add it on Shopify and sync to Prediko!
Go to Shopify and add Barcodes to Shopify on the Variant page.
Note that you can use Retail Barcode Labels app to automate the creation of unique barcodes for all your products
On Prediko in your POs you can activate EAN column in your POs
That way you can get Exports of the PO with the EAN code per line!
FAQ:
Can I scan barcodes directly from Prediko for delivery?
No, we don't offer this functionality. However, you can simply upload delivery document - read about it here! https://help.prediko.io/en/articles/9031915-receiving-and-closing-pos