/** A merchant-supplied reference for the transaction */
@property (nonatomic, strong) NSString *reference;

/** The type of the transaction, see `ADYTransactionType` for details. Defaults to ADYTransactionTypeGoodsServices. */
@property (nonatomic, assign) ADYTransactionType transactionType;

/** The currency to use on the transaction. */
@property (nonatomic, strong) NSString *currency;

/** The amount to process on the transaction in minor units (cents). */
@property (nonatomic, strong) NSNumber *amount;

/** Gratuity amount in cents, or `nil` if no gratuity desired. */
@property (nonatomic, strong) NSNumber *gratuity;

/** Locale of the transaction, or `nil` to use default locale. */
@property (nonatomic, strong) NSLocale *locale;

/** Store identifier. */
@property (nonatomic, strong) NSString *store;