# 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.xrange.sonification.tracks.mapping.playDelay

Milliseconds to wait before playing, comes in addition to the time determined by the `time` mapping.

Can also be negative to play before the mapped time.