Start Alipay and WeChat Pay transactions

PedDevice Object

Name	Description
`PedDevice`	PED object that represents the terminal.

Create a SpecialTenderRequest object

Name	Description
`CreateSpecialTenderRequest`	Use this method to create a request object to hold the special tender details. Instantiates an `Adyen.SpecialTenderRequest` object.

Adding Parameters to a SpecialTenderRequest

Parameters

Key	Type	Description
`merchantAccount`	String	The transaction reference provided by the Merchant (reported in the Adyen payments platform).
`amountValue`	String	The transaction amount in minor units (100 is 1.00 with EUR). The Amount field should be a strong typed field with a string for currency code and a number (long) for the minor digits value (similar to the current API (of the terminal)).
`amountCurrency`	long	The transaction currency.
`TransactionType`	String	Type of transaction. `TransactionType` takes the following value: payment
`paymentMethodType`	String	The type of payment method, in this case wallets. `PaymentMethodType` takes the following values: Pass "alipay" for an Alipay transaction. Pass "wechatpay_pos" for WeChat Pay transaction.
`specialOptions`	SpecialTenderOptions	Holds tender attributes.
`handleReceipt`	Boolean	Specifies that the POS handles and prints receipts. If omitted, it is required that the PED prints the receipt. If there is no printer unit, the transaction will fail.

Add parameters to the SpecialTenderRequest using the SpecialOptions.Add method.

Remove parameters from the SpecialTenderRequest using the SpecialOptions.Rm method.

Name	Type	Required	Description
`cardNumber`	String		The scanned number from the wallet app (to be provided only for Flow 3: Cash register scans Shopper barcode)
`forceEntryMode`	String		The entry mode for the transaction. In this case, use the value "Keyed".

Not all languages using COM handle empty parameters equally. This has the potential to cause unexpected behavior. To prevent this, provide empty strings or pass Null objects for C++/C#, and the default value Nothing for VB.NET.

Code example

specialTenderRequest.SpecialOptions.Add("cardNumber", "60362821657200117610")

Create a special tender

Name	Description
`CreateSpecialTender`	Use this method to create a special tender and pass the `Adyen.SpecialTenderRequest` object.

Callbacks

Name	Description
Progress Event Callback	Reports the progress of a running tender.
PrintReceipt Callback	Returns the receipt for printing, and requests that the POS confirms it has received the receipt.
Final Callback	When the system finishes processing the tender, it triggers the final state callback.