The IWalletCallback interface guarantees the uniqueness of friendly names across all components in the Payment Selector. Friendly names are assigned by the user to each instance of a payment type to distinguish between multiple instances of a payment type. For example, if a user has two Visa credit cards, the first card might have the friendly name Main Visa and the second card Emergency Visa.
The IWalletCallback interface is an IDispatch interface provided for the IClientPaymentProvider::ManagePaymentInstance and the IClientPaymentProvider::NewPaymentInstance functions.
The IWalletCallback interface contains the following methods: