# OpenapiClient::Secure3dAuthenticationVerificationRequestAllOf ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **payer_authentication_response** | **String** | A formatted message providing results of the issuer’s cardholder authentication. | **merchant_data** | **String** | Formatted string encoding transaction time, order ID, and return URL data. | ## Code Sample ```ruby require 'OpenapiClient' instance = OpenapiClient::Secure3dAuthenticationVerificationRequestAllOf.new(payer_authentication_response: eJzVWFm....9f/AhjgEcE=, merchant_data: MD__________30002019....85bcd02599) ```