# 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.

# plotOptions.series.dataLabels.verticalAlign

The vertical alignment of a data label. Can be one of `top`, `middle` or `bottom`. The default value depends on the data, for instance in a column chart, the label is above positive values and below negative values.