# 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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# data.columns

A two-dimensional array representing the input data on tabular form. This input can be used when the data is already parsed, for example from a grid view component. Each cell can be a string or number. If not switchRowsAndColumns is set, the columns are interpreted as series.