IFlashpointShoppingCartCheckout Method

Function Checkout ( 
	cartToken As String,
	payment As IIncomingPayment,
	Optional fixedPaymentValue As Decimal? = Nothing,
	Optional checkoutOptions As CheckoutOptions = Nothing
) As Receipt

Receipt^ Checkout(
	String^ cartToken, 
	IIncomingPayment^ payment, 
	Nullable<Decimal> fixedPaymentValue = nullptr, 
	CheckoutOptions^ checkoutOptions = nullptr
)

abstract Checkout : 
        cartToken : string * 
        payment : IIncomingPayment * 
        ?fixedPaymentValue : Nullable<decimal> * 
        ?checkoutOptions : CheckoutOptions 
(* Defaults:
        let _fixedPaymentValue = defaultArg fixedPaymentValue null
        let _checkoutOptions = defaultArg checkoutOptions null
*)
-> Receipt