public String getMessageData() {
        return this.messageData;
    }
<p>
The data on for which MAC is under verification. This value must be hexBinary.
</p>

@return The data on for which MAC is under verification. This value must be hexBinary.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/VerifyMacRequest.java