import { buildClient } from '@datocms/cma-client-node';
async function run() {
  const client = buildClient({ apiToken: '<YOUR_API_TOKEN>' });
  
  const whiteLabelSettings = await client.whiteLabelSettings.update({
    custom_i18n_messages_template_url: 'https://my-app-messages.netlify.app/:locale/message.json'
  });
  
  console.log(whiteLabelSettings);
}
run();

{
  id: '312',
  custom_i18n_messages_template_url: 'https://my-app-messages.netlify.app/:locale/message.json'
}