# 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.sonification.defaultInstrumentOptions.mapping.gapBetweenNotes

Gap in milliseconds between notes if pitch is mapped to an array of notes.

Can be set to a fixed value, a prop to map to, a function, or a mapping object.