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On the payment with a card requiring authorization under the protocol 2.0 the IPS Assist will return the AS110 return code (unit 2) and an additional threedsdata parameter block in the response. The list of parameters that may be contained in the threedsdata block is presented in the table below:

Name

Accepted values

Description

In the response of the service1

version

1.0
2.0

3-D Secure Protocol version

1,2

threeDSServerTransID

String

3DS Server transaction ID

1,2

threeDSMethodURL

String (255 chars)

The ACS URL that will be used by the 3DS Method

1

threeDSMethodData

String (255 chars)

Request body (Base64 encoded)

1

alphaauthresult

Y - success, N - fai, A - Attempt, U – unable to authenticate, R- rejected

Authentication result will be received in case of Frictionless Flow authentication.

1,2

challenge

F - Frictionless Flow

C – Challenge Flow

Interaction with the customer (C – required, F – not needed)

1,2

challengeurl2

Full URL like

https://acs....

2048 symbols maximum

The ACS URL for payer verification

1,2

challengerequest2

String

Request body (Base64 encoded) for challengeurl request

1,2