# 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.tooltip.position.y

Y pixel offset from the given position. Can be used to shy away from axis lines, grid lines etc to avoid the tooltip overlapping other elements.