3DS2 Outcomes

Outcome	Description
Frictionless	Customer is not made aware of the successful 3DS2 event.
Challenged	The customer is challenged to prove legitimate access to the payment method. A pop up window is displayed to the customer, asking them to authenticate their credentials. This is usually completed via SMS.
Unsuccessful	Rejected by the issuer
Unavailable	3DS2 service is unavailable or the merchant has not been registered correctly for 3DS2.
Abandoned	The customer has abandoned their 3DS authentication by failing to enter in the passcode and navigating away or letting the session timeout.
Rejected	Authentication rejected by the issuer.
Invalid Scenario	This can occur when an older version of 3DS is used by the card issuer.