# 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.

# legend.alignColumns

If the layout is `horizontal` and the legend items span over two lines or more, whether to align the items into vertical columns. Setting this to `false` makes room for more items, but will look more messy.