public String getKeyIdentifier() {
        return this.keyIdentifier;
    }
<p>
The <code>keyARN</code> of the CVK encryption key that Amazon Web Services Payment Cryptography uses to verify
card data.
</p>

@return The <code>keyARN</code> of the CVK encryption key that Amazon Web Services Payment Cryptography uses to
        verify card data.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/VerifyCardValidationDataRequest.java