# 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.

# legend.symbolWidth

The pixel width of the legend item symbol. When the `squareSymbol` option is set, this defaults to the `symbolHeight`, otherwise 16.

Note: This option is a default source of color axis width, if the colorAxis.width option is not set.