> ## Documentation Index
> Fetch the complete documentation index at: https://docs.navtalk.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# realtime.session.updated

> Session ready event

Triggered after the session is ready to receive audio input. This event is received after `realtime.session.created` and after conversation history has been sent. After receiving this event, you can start sending audio data to the WebSocket connection.

## Event Properties

<ResponseField name="type" type="string">
  Event type. Always `"realtime.session.updated"` for this event.
</ResponseField>

<ResponseField name="data" type="object">
  Event data object. May be empty or contain session metadata.
</ResponseField>

<ResponseExample>
  ```json Example theme={null}
  {
    "type": "realtime.session.updated",
    "data": {}
  }
  ```
</ResponseExample>

## Usage Example

```javascript theme={null}
const NavTalkMessageType = Object.freeze({
    REALTIME_SESSION_UPDATED: "realtime.session.updated",
    // ... other event types
});

async function handleReceivedMessage(data) {
    switch (data.type) {
        case NavTalkMessageType.REALTIME_SESSION_UPDATED:
            console.log("Session updated. Ready to receive audio.");
            startRecording();
            break;
    }
}
```

<Note>
  This event indicates that the session is ready. You should start recording and sending audio data after receiving this event.
</Note>