# Welcome to the Highcharts Gantt JS (gantt) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# navigator.baseSeries

An integer identifying the index to use for the base series, or a string representing the id of the series.

Note: As of Highcharts 5.0, this is now a deprecated option. Prefer series.showInNavigator.