ThreeDSecureFlow

The flow used for 3DS authentication.

CHALLENGE - Authentication requiring additional shopper interaction through biometrics, 2FA, or other SCA methods.
FRICTIONLESS - Background authentication using device fingerprint without additional shopper interaction.
FRICTIONLESS_CHALLENGE - Complete 3DS flow with additional authentication if initial data collection is insufficient.
DIRECT - Transaction exempt from SCA due to low risk assessment.

enum ThreeDSecureFlow {
  CHALLENGE
  FRICTIONLESS
  FRICTIONLESS_CHALLENGE
  DIRECT
}