const SiteClient = require('datocms-client').SiteClient;
const client = new SiteClient('YOUR-API-TOKEN');
client.uploadTag.create({
  name: 'Pictures of me'
})
.then((uploadTag) => {
  console.log(uploadTag);
})
.catch((error) => {
  console.error(error);
});

> node example.js
{
  "id": "42",
  "name": "Pictures of me"
}