> 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 handling this call.

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

Observable of the server node ID handling this call.

## nodeId

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

Server node ID handling this call, or `null`.

## **Examples**

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

> Observable of the server node ID handling this call.