import { buildClient } from '@datocms/cma-client-node';
async function run() {
  const client = buildClient({ apiToken: '<YOUR_API_TOKEN>' });
  
  const webhook = await client.webhooks.create({
    name: 'Item type creation/update',
    url: 'https://www.example.com/webhook',
    headers: {
      'X-Foo': 'Bar'
    },
    events: [
      {
        entity_type: 'item_type',
        event_types: [
          'update',
          'create'
        ],
        filter: {
          entity_type: 'item_type',
          entity_ids: [
            '42',
            '43'
          ]
        }
      }
    ],
    custom_payload: '{ \message\: \'{{event_type}} event triggered on {{entity_type}}!\', \entity_id\: \'{{#entity}}{{id}}{{/entity}}\'] }',
    http_basic_user: 'user',
    http_basic_password: 'password'
  });
  
  console.log(webhook);
}
run();