public void setEmvMac(MacAlgorithmEmv emvMac) {
        this.emvMac = emvMac;
    }
<p>
Parameters that are required for MAC generation or verification using EMV MAC algorithm.
</p>

@param emvMac
       Parameters that are required for MAC generation or verification using EMV MAC algorithm.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/MacAttributes.java