Gets the barcode selected by the user or the barcode with the specified identifier.
<void> BarcodeCollection.getItem(<RequestBarcodeFrameCallback> callback, [<ErrorCallback> errorCallback], [<number> id])| Parameter | Description |
|---|---|
| callback | Receives the requested barcode or null if there is no barcode at the current input position / with the specified identifier. |
| error |
Optional. Is called when the operation failed with an error. |
| id | Optional. The barcode's identifier. |