Customizes the payer confirmation experience.
localestring<language>Optionalstored_payment_sourceobject<stored_payment_source>Optionalpayment_initiatorenum<payment_initiator>Requiredpayment_typeenum<stored_payment_source_payment_type>Requiredusageenum<stored_payment_source_usage_type>Optionalprevious_network_transaction_referenceobject<network_transaction_reference>OptionalidstringRequireddatestringOptionalnetworkenum<card_brand>Optional