# 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.

# exporting.useMultiLevelHeaders

Use multi level headers in data table. If csv.columnHeaderFormatter is defined, it has to return objects in order for multi level headers to work.