code: function() {
        var base = _.result(this, 'urlRoot') || _.result(this.collection, 'url') || urlError();
        if (this.isNew()) return base;
        return base + (base.charAt(base.length - 1) === '/' ? '' : '/') + encodeURIComponent(this.id);
      }
docs: Default URL for the model's representation on the server -- if you're using Backbone's restful methods, override this to change the endpoint that will be called.