# 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.zooming.key

Set a key to hold when dragging to zoom the chart. This is useful to avoid zooming while moving points. Should be set different than chart.panKey.

Note: If both zooming and panning are enabled without keys, zooming will take precedence by default. To prioritize panning, either set zooming key or chart.panKey.