public void setSecretARN(String secretARN) {
        this.secretARN = secretARN;
    }
<p>
The Amazon Resource Name (ARN) of the MAC Security (MACsec) secret key to associate with the dedicated
connection.
</p>
<p>
You can use <a>DescribeConnections</a> or <a>DescribeLags</a> to retrieve the MAC Security (MACsec) secret key.
</p>
<p>
If you use this request parameter, you do not use the <code>ckn</code> and <code>cak</code> request parameters.
</p>

@param secretARN
       The Amazon Resource Name (ARN) of the MAC Security (MACsec) secret key to associate with the dedicated
       connection.</p>
       <p>
       You can use <a>DescribeConnections</a> or <a>DescribeLags</a> to retrieve the MAC Security (MACsec) secret
       key.
       </p>
       <p>
       If you use this request parameter, you do not use the <code>ckn</code> and <code>cak</code> request
       parameters.
aws-java-sdk-directconnect/src/main/java/com/amazonaws/services/directconnect/model/AssociateMacSecKeyRequest.java