# 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.screenReaderSection.onPlayAsSoundClick

Function to run upon clicking the "Play as sound" button in the screen reader region.

By default Highcharts will call the `chart.sonify` function.