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

@param keyIdentifier
       The <code>keyARN</code> of the encryption key that Amazon Web Services Payment Cryptography uses to verify
       MAC data.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/VerifyMacRequest.java