consumerAuthenticationInformation. specificationVersion {#cons-auth-info-specification-version}
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This field contains the 3-D Secure version that was used to process the transaction. For example, 1.0.2 or 2.0.0.

Specifications {#cons-auth-info-specification-version_Specifications}
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* **Data Type:** String
* **Data Length:** 8

Mapping Information {#cons-auth-info-specification-version_Mapping}
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* **REST API Field:** consumerAuthenticationInformation. specificationVersion
* **SCMP API Fields:**
  * pa_enroll_specification_version
  * pa_validate_specification_version
* **Simple Order API Fields:**
  * payerAuthEnrollReply_specificationVersion
* payerAuthValidateReply_specificationVersion