import { buildClient } from '@datocms/cma-client-node';
async function run() {
  const client = buildClient({ apiToken: '<YOUR_API_TOKEN>' });
  
  const maintenanceMode = await client.maintenanceMode.activate({
    force: true
  });
  
  console.log(maintenanceMode);
}
run();

{
  id: '4235',
  active: false
}