import { buildClient } from '@datocms/cma-client-node';
async function run() {
  const client = buildClient({ apiToken: '<YOUR_API_TOKEN>' });
  
  const modelIdOrApiKey = 'blog_post';
  
  const fields = await client.fields.related(modelIdOrApiKey);
  
  fields.forEach((field) => {
    console.log(field);
  });
}
run();