# Interface: SonificationChartEventCallbackContext

## Highcharts. SonificationChartEventCallbackContext

Event context object sent to sonification chart events.

### Requires

- module:modules/sonification

### Members

#### chart :Highcharts.Chart|undefined

  The relevant chart

  ##### Type:

  - Highcharts.Chart | undefined

#### pointsPlayed :Array.<Highcharts.Point>|undefined

  The points that were played, if any

  ##### Type:

  - Array.<Highcharts.Point> | undefined

#### timeline :object|undefined

  The playing timeline object with advanced and internal content

  ##### Type:

  - object | undefined