The request data is sent as an additional input parameter:

ParameterTypeValue
amendpaymentmethodbase64Base64-encoded AmendPaymentMethod XML message

AmendPaymentMethod

The Element types are specified in the submit call.

ElementTypeQuantityValue
Referenceascii1[A-Z0-9]{1,32}
Unique merchant reference, assigned by the submitting partner.
This reference is used in all method calls regarding the merchant.
PaymentMethodPaymentMethod1Payment method to amend with most recent parameters

Example Request

<AmendPaymentMethod>
    <Reference>TESTADDPM123</Reference>
    <PaymentMethod name="sepaddmodelc" creditorId="DE98ZZZ09999999999"/>
</AmendPaymentMethod>