public String getSubnetGroupName() {
        return this.subnetGroupName;
    }
<p>
The name of the subnet group to be used for the replication group.
</p>
<important>
<p>
DAX clusters can only run in an Amazon VPC environment. All of the subnets that you specify in a subnet group
must exist in the same VPC.
</p>
</important>

@return The name of the subnet group to be used for the replication group.</p> <important>
        <p>
        DAX clusters can only run in an Amazon VPC environment. All of the subnets that you specify in a subnet
        group must exist in the same VPC.
        </p>
aws-java-sdk-dax/src/main/java/com/amazonaws/services/dax/model/CreateClusterRequest.java