# 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.

# series.xrange.keys

An array specifying which option maps to which key in the data point array. This makes it convenient to work with unstructured data arrays from different sources.