Simply tap the barcode icon in the search bar to launch the scanner. Make sure the entire barcode is behind the camera and hold the phone steady until the item is recognized.
Note: When using the barcode scanner for the first time, you will need to allow the app to access your phone’s camera.
If you are unable to find a food item using the barcode scanner, check first that the region in your phone settings matches the country you are searching in. You could also try typing the food item directly in the search bar instead of scanning the barcode.