# 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.connectors.startMarker.radius

Set the radius of the connector markers. The default is automatically computed based on the algorithmMargin setting.

Setting marker.width and marker.height will override this setting.