> 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.

# capabilities$

> Observable of the call's capability flags.

```ts
get capabilities$(): Observable<Capability[]>
```

Observable of the call's capability flags.

## capabilities

```ts
get capabilities(): Capability[]
```

List of capabilities available in the current call.

## **Examples**

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

> Observable of the call's capability flags.