# 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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# series.gantt.point.events.update

Fires when the point is updated programmatically through the `.update()` method. One parameter, `event`, is passed to the function. The new point options can be accessed through `event.options`. Returning `false` cancels the operation.