# 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.

# plotOptions.series.marker.states.select

The appearance of the point marker when selected. In order to allow a point to be selected, set the `series.allowPointSelect` option to true.