useChainId

import { useChainId } from '@avalabs/avacloud-waas-react';
 
function ChainSelector() {
  const { chainId, setChainId } = useChainId();
 
  return (
    <div>
      <p>Current Chain ID: {chainId}</p>
      <button onClick={() => setChainId(43114)}>
        Switch to Mainnet
      </button>
    </div>
  );
}