ChallengePreference enumeration

This enum indicates the merchant's 3DS authentication preference.

API usage

This enum is used by the following API endpoints:

Enum value	Byte / int value	Description
NoPreference	0	The merchant does not have any preference about how the 3DS authentication should be used for this payment. In this case Barion decides about the usage of 3DS authentication
ChallengeRequired	10	The customer should be challenged during the payment process for additional security. In this case 3DS authentication will be performed even if the transaction would be eligible for frictionless flow.
NoChallengeNeeded	20	The customer should not be challenged during the payment process. The merchant trusts the customer. In this case 3DS authentication will be performed however Barion will try to achieve the frictionless flow.