ccAuthService_directoryServerTransactionID {#cc-auth-service-directory-server-transaction-id}
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Transaction ID that the directory server generates during authentication.  
When you request the payer authentication and authorization services separately, get the value for this field from the payerAuthEnrollReply_directoryServerTransactionID or payerAuthValidateReply_directoryServerTransactionID response field.
**Mastercard Identity Check on `Visa Platform Connect`**  
The value for this field corresponds to the following data in the TC 33 capture file:

* Record: CP01 TCR7
* Position: 114-149
* Field: MC AVV Verification---Directory Server Transaction ID

The TC 33 capture file contains information about the payments and credits that a merchant submits to `Cybersource`. The processor creates the TC 33 capture file at the end of the day and sends it to the merchant's acquirer. The acquirer uses this information to facilitate end-of-day clearing processing with payment networks.

Specifications {#cc-auth-service-directory-server-transaction-id_d313e57}
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* **Data Type:** String
* **Data Length:** 36

Mapping Information {#cc-auth-service-directory-server-transaction-id_d313e76}
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* **REST API Field:** consumerAuthenticationInformation.directoryServerTransactionId
* **SCMP API Fields:**
  * directory_server_transaction_id
  * pa_enroll_directory_server_transaction_id
  * pa_validate_directory_server_transaction_id
    {#cc-auth-service-directory-server-transaction-id_d313e93}
* **Simple Order API Fields:**
  * ccAuthService_directoryServerTransactionID
  * payerAuthEnrollReply_directoryServerTransactionID
  * payerAuthValidateReply_directoryServerTransactionID
    {#cc-auth-service-directory-server-transaction-id_d313e113}