Response of 3D Secure AuthenticationResults of 3D Secure Authentication.authentication_statusenum<pares_status>OptionalThe outcome of the issuer's authentication.Match^[0-9A-Z_]+$Length1 <= length <= 255Allowed values"Y"Successful authentication."N"Failed authentication / account not verified / transaction denied."U"Unable to complete authentication."A"Successful attempts transaction."C"Challenge required for authentication."R"Authentication rejected (merchant must not submit for authorization)."D"Challenge required; decoupled authentication confirmed."I"Informational only; 3DS requestor challenge preference acknowledged.enrollment_statusenum<enrolled>OptionalStatus of authentication eligibility.Match^[0-9A-Z_]+$Length1 <= length <= 255Allowed values"Y"Yes. The bank is participating in 3-D Secure protocol and will return the ACSUrl."N"No. The bank is not participating in 3-D Secure protocol."U"Unavailable. The DS or ACS is not available for authentication at the time of the request."B"Bypass. The merchant authentication rule is triggered to bypass authentication.