docs: function(options) {
        var model = this;
        options = options || {};
        var request = Parse._request({
          route: "login",
          method: "GET",
          useMasterKey: options.useMasterKey,
          data: this.toJSON()
        });
        return request.then(function(resp, status, xhr) {
          var serverAttrs = model.parse(resp, status, xhr);
          model._finishFetch(serverAttrs);
          model._handleSaveResult(true);
          return model;
        })._thenRunCallbacks(options, this);
      }