# cast.[framework](https://developers.google.com/cast/docs/reference/web_receiver/cast.framework).[system](https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system).ReadyEvent

class static

An event dispatched by [cast.framework.CastReceiverContext](https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.CastReceiverContext) when the
system is ready.

## Constructor

### ReadyEvent

new
ReadyEvent(applicationData)

| #### Parameter ||
|---|---|
| applicationData | [cast.framework.system.ApplicationData](https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system.ApplicationData) The application data. Value must not be null. |

Extends
:   [cast.framework.system.Event](https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system.Event)

## Properties

### data

non-null [cast.framework.system.ApplicationData](https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system.ApplicationData)

The application data.

### type

non-null [cast.framework.system.EventType](https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system#.EventType)

The event type.

Inherited from
:   [cast.framework.system.Event#type](https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system.Event#type)