| Name | Type | Description | Notes |
|---|---|---|---|
| device_type | str | The data format. | |
| data | str | Data from device containing, at a minimum, a transaction-unique key serial number (KSN) and track 2 card data. | |
| security_code | str | Card verification value/number. | [optional] |
| cardholder_name | str | Name of cardholder. | [optional] |
| card_function | CardFunction | [optional] | |
| brand | str | The card brand. | [optional] |