# Interface: SonificationSeriesEventCallbackContext

## Highcharts. SonificationSeriesEventCallbackContext

Event context object sent to sonification series events.

### Requires

- module:modules/sonification

### Members

#### series :Highcharts.Series|undefined

  The relevant series

  ##### Type:

  - Highcharts.Series | undefined

#### timeline :object|undefined

  The playing timeline object with advanced and internal content

  ##### Type:

  - object | undefined