# 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.

# accessibility.announceNewData

Options for announcing new data to screen reader users. Useful for dynamic data applications and drilldown.

Keep in mind that frequent announcements will not be useful to users, as they won't have time to explore the new data. For these applications, consider making snapshots of the data accessible, and do the announcements in batches.