code: function() {
        var base = getUrl(this.collection) || this.urlRoot || 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.