# 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.zoomType

Deprecated. Use chart.zooming.type instead.

Decides in what dimensions the user can zoom by dragging the mouse. Can be one of `x`, `y` or `xy`.