A user interface for a barcode or QR code scanner. A text value can be entered manually if the client doesn't support scanning or if the barcode or QR code cannot be scanned.
Defines the maximum number of characters allowed. This only applies to string fields. If not supplied, the value is derived from the length property of the referenced field in the service.
Defines the minimum number of characters allowed. This only applies to string fields. If not supplied, the value is 0, meaning there is no minimum constraint.