vads_threeds_cavvAlgorithm
| Description | Algorithm used by the ACS to generate the CAVV value. Its value is populated by 3DS authentication server (ACS) when the buyer has been correctly authenticated (vads_threeds_status equals "Y" or "A"). Output field, returned in the response (IPN and Return URL). | ||||||||||||
| Format | an1 | ||||||||||||
Possible values |
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| Category | Authentication of cardholder. |