// Get all documents where id is 1234567890
// Since _id is an Object we need to covert our id into an object before quering
db.collection('Users').find({_id: new ObjectID(1234567890)}).toArray().then((docs) => {
  console.log('Users');
  console.log(JSON.stringify(docs, undefined, 2));
}, (err) => {
  console.log('Unable to fetch user', err);
});