Projection in ottoman

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How can I use projection in node-ottoman to save network bandwidth ?

In the following model

var Furniture = ottoman.model('Furniture', {
  name: 'string',
  title: 'string',
  AndManyManyOtherFields
}, {
  index: {
    findByName: {
      by: 'name'
    }
  }
});

If I execute

Furniture.findByName('table', function(err, tables) {
  if (err) return console.error(err);
  console.log(tables);
})

The tables contains all fields that just kill network bandwidth , I only need some fields , How can I explicitly project some fields?