# 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.

# tooltip.fixed

Whether the tooltip should be fixed to one position in the chart, or located next to the point or mouse. When the tooltip is fixed, the position can be further specified with the tooltip.position options set.