# 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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# sonification.events.onEnd

Called when play is completed.

A context object is passed to the function, with properties `chart`, `timeline` and `pointsPlayed`. `pointsPlayed` is an array of `Point` objects, referencing data points that were related to the audio events played.