public String getGenerationKeyIdentifier() {
        return this.generationKeyIdentifier;
    }
<p>
The <code>keyARN</code> of the PEK that Amazon Web Services Payment Cryptography uses for pin data generation.
</p>

@return The <code>keyARN</code> of the PEK that Amazon Web Services Payment Cryptography uses for pin data
        generation.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/GeneratePinDataRequest.java