public void setMacLength(Integer macLength) {
        this.macLength = macLength;
    }
<p>
The length of a MAC under generation.
</p>

@param macLength
       The length of a MAC under generation.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/GenerateMacRequest.java