code: def add_navi_series(self, data, series_type="line", **kwargs):
          
  
          self.navi_seri_flag = True
          series_data = Series(data, series_type=series_type, **kwargs)
          series_data.__options__().update(SeriesOptions(series_type=series_type, **kwargs).__options__())           
          self.navi_seri_temp = series_data
docs: set series for navigator option in highstocks