Updates information about the user in the database.

#Parameters This method has the following parameters:

Argument	Description
dbId	String with database ID.
token	String with user token (optional).
objectId	Unique identifier of the user that should be updated.
userJSON	User JSON object.

#Response This method has the following response object:

{
   "username":"<username>",
   "_createdAt":"<datetime>",
   "_updatedAt":"<datetime>",
   "_id":"<user_id>"
}

Example

Updating a user name and password.

// Code example
var dbId = "52776916a044652b54f1f976";
var username = "testUser10";
var password = "testUser10";

var id = DatabaseUser.signUp(dbId, {
  "username": username,
  "password": password
})._id;

var token = DatabaseUser.login(dbId, username, password).sessionToken;

var updated = DatabaseUser.update(dbId, id, {
    "username": "testUserNew",
    "password": "testUserNew"
}, token);