blueprints/data-solutions/gcs-to-bq-with-least-privileges/data-demo/person_udf.js

function transform(line) {
  var values = line.split(',');

  var obj = new Object();
  obj.name = values[0];
  obj.surname = values[1];
  obj.timestamp = values[2];
  var jsonString = JSON.stringify(obj);

  return jsonString;
}