A barcode is a value decoded into vertical spaced lines. Barcode scanners are the input medium, like Keyboard. When it scans a barcode, the data appears in the computer screens at the point of a cursor.
To set the barcode of a particular item, you will have to open the Item record. You can also enter barcode while creating a new item.
Once barcode field is updated in item master, items can be fetched using barcode. This feature will be available in Delivery Note, Sales Invoice, Purchase Receipt, and Stock Reconciliation transactions only.
Log in to your OneOfficeERP account, go to the Item master and you'll be able to scan barcodes and add Items right from your smartphone!