code: function setBasemap(basemap) {
        app.debug('MapActions >>> setBasemap');
        app.map.setBasemap(basemap);
        _jsDispatcher.Dispatcher.dispatch({
          actionType: _jsConstantsAppConstants.MAP.basemap,
          data: basemap
        });
      }
docs: Method to update the basemap
  @param {string} basemap - the value of the basemap to be updated, should come from config.js basemaps