consumerAuthenticationInformation. authenticationTransactionContextId {#cons-auth-info-authentication-txn-context-id}
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Payer authentication transaction context identifier. It links the validate authentication transaction and payment authorization transaction.  
This field is supported only for `RuPay` for the payer authentication seamless flow.

Specifications {#cons-auth-info-authentication-txn-context-id_Specifications}
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* **Data Type:** String
* **Data Length:** 256

Mapping Information {#cons-auth-info-authentication-txn-context-id_Mapping}
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* **REST API Field:** consumerAuthenticationInformation. authenticationTransactionContextId
* **SCMP API Field:** No corresponding field.
* **Simple Order API Field:** No corresponding field.