# 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.

# data.decimalPoint

The decimal point used for parsing numbers in the CSV.

If both this and data.delimiter is set to `undefined`, the parser will attempt to deduce the decimal point automatically.