public String getChainId() {
        return this.chainId;
    }
<p>
The Ethereum <code>CHAIN_ID</code> associated with the Ethereum network. Chain IDs are as follows:
</p>
<ul>
<li>
<p>
mainnet = <code>1</code>
</p>
</li>
</ul>

@return The Ethereum <code>CHAIN_ID</code> associated with the Ethereum network. Chain IDs are as follows:</p>
        <ul>
        <li>
        <p>
        mainnet = <code>1</code>
        </p>
        </li>
aws-java-sdk-managedblockchain/src/main/java/com/amazonaws/services/managedblockchain/model/NetworkEthereumAttributes.java