code: function (data) {
          var me = this,
              fields = me.fields,
              key,
              field;
  
          for (key in fields) {
              if (fields.hasOwnProperty(key)) {
                  // Prevent field's change event from tiggering a Store filter. The final upate event will do that
                  field =fields[key];
                  field.suspendEvents();
                  field.setValue(key in data ? data[key] : '');
                  field.resumeEvents();
              }
          }
  
          // Trigger the filering of the Store
          me.fireEvent('update', me);
      }
docs: Set the value of this menu and fires the 'update' event.
  @param {Object} data The data to assign to this menu