# Welcome to the Highcharts Maps JS (highmaps) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

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# series.heatmap.sonification.contextTracks.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.