| Name | Type | Description | Notes |
|---|---|---|---|
| ds_reference_number | string | Directory Server reference number for this 3DS transaction. | |
| acs_reference_number | string | Access Control Server reference number assigned by the card scheme. | |
| three_ds_requestor_trans_id | string | 3DS requestor transaction ID generated by the merchant's 3DS SDK. | |
| acs_trans_id | string | Access Control Server transaction ID assigned by the card issuer. | |
| ds_trans_id | string | Directory Server transaction ID for this authentication. | |
| eci | string | Electronic Commerce Indicator indicating the authentication outcome. | |
| message_version | string | Version of the 3DS protocol used (e.g. "2.1.0"). | |
| authentication_type | string | Authentication type used for this 3DS transaction. | |
| authentication_value | string | Cardholder Authentication Verification Value (CAVV) from the issuer. | |
| trans_status | string | Transaction status code (e.g. "Y" for authenticated, "N" for not authenticated). | |
| three_ds_server_trans_id | string | 3DS Server transaction ID assigned by the 3DS server. | |
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