# Welcome to the Highcharts Gantt JS (gantt) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

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# series.xrange.label.format

A format string for the label, with support for a subset of HTML. Variables are enclosed by curly brackets. Available variables are `name`, `options.xxx`, `color` and other members from the `series` object. Use this option also to set a static text for the label.