import { buildClient } from '@datocms/cma-client-node';
async function run() {
  const client = buildClient({ apiToken: '<YOUR_API_TOKEN>' });
  
  const siteInvitation = await client.siteInvitations.create({
    email: 'mark.smith@example.com',
    role: {
      type: 'role',
      id: '34'
    }
  });
  
  console.log(siteInvitation);
}
run();