| Name | Description |
|---|---|
| Attempted | Authentication was not available, but the functionality was available (though the issuer, scheme or a third party) to generate a proof of authentication attempt. |
| Authenticated | The transaction has been fully authenticated with 3D Secure 1.0 |
| ChallengeAuthenticated | The transaction has been fully authenticated with 3D Secure 2.0 folloiwng a successful challenge |
| ChallengeNotAuthenticated | The card holder failed 3DS 2.0 authentication following a challenge. It is strongly recommended that the payment does not continue |
| ChallengeRejected | The card holder rejected 3DS 2.0 authentication follwing a challenge. It is strongly recommended that the payment does not continue |
| FrictionlessAuthenticated | The transaction has been fully authenticated with 3D Secure 2.0 with no challenge |
| FrictrionlessNotAuthenticated | The card holder failed 3DS 2.0 authentication immediately without a challenge. It is strongly recommended that the payment does not continue |
| FrictionlessRejected | The card issuer rejected the authentication attempt without asking for a challenge. It is strongly recommended that the payment does not continue |
| NotAuthenticated | The card holder failed 3DS 1.0 authentication. It is strongly recommended that the payment does not continue |
| NotEnrolled | The card holder was not enrolled for 3D Secure 1.0 |
| NotChecked | 3D Secure was not checked due to a technical or other problem |
| Unavailable | Authentication could not be performed due to a technical or other problem |