# 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.

# chart.events.fullscreenClose

Fires when a fullscreen is closed through the context menu item, or a fullscreen is closed on the `Escape` button click, or the `Chart.fullscreen.close` method.