> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# nodeId$

> Observable of the server node ID for this participant.

```ts
get nodeId$(): Observable<string | undefined>
```

Observable of the server node ID for this participant.

#### Inherited from

[`Participant`](/docs/browser-sdk/v4/reference/participant).[`nodeId$`](/docs/browser-sdk/v4/reference/participant#nodeid-1)

## nodeId

```ts
get nodeId(): string | undefined
```

Server node ID for this participant, or `undefined` if not available.

#### Inherited from

[`Participant`](/docs/browser-sdk/v4/reference/participant).[`nodeId`](/docs/browser-sdk/v4/reference/participant#nodeid)

## **Examples**

```ts
selfParticipant.nodeId$.subscribe((nodeId) => {
  console.log('nodeId:', nodeId);
});
```

> Observable of the server node ID for this participant.