# 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.xrange.centerInCategory

When `true`, the columns will center in the category, ignoring null or missing points. When `false`, space will be reserved for null or missing points.