The barcode() is used to manually transit barcodes and accept barcodes for specialised input processing.
Transmit the barcode NNNN into the POS. This command is the technical equivalent of physically scanning the barcode and results in the same processing and outcome as a physical scan
Display an input screen to allow manual entering a barcode and then send the barcode into the POS as if it had been scanned.
Capture, validate and then process a FlyBuy loyalty card