public void setNetworkId(String networkId) {
        this.networkId = networkId;
    }
<p>
The unique identifier of the network for which to list nodes.
</p>

@param networkId
       The unique identifier of the network for which to list nodes.
aws-java-sdk-managedblockchain/src/main/java/com/amazonaws/services/managedblockchain/model/ListNodesRequest.java