public class FieldTypePaymentCard : FieldTypeBase,
IFieldTypeSerialize| CardExpirationDate | Gets or sets Card Expiration Date |
| CardNumber | Gets or sets Card Number |
| CardSecurityCode | Gets or sets Card Security Code |
| Elements | Enumerates property names |
| ElementValues | Enumerates property values |
| GetValueAsString | Gets human friendly text |
| SetElementValue | Sets property value |
| SetValueAsString | Sets field value from human friendly text |