> 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.

# updateMeta

> Merges values into custom metadata (unlike setMeta which replaces).

```ts
updateMeta(_meta): Promise<void>
```

Merges values into custom metadata (unlike [setMeta](/docs/browser-sdk/v4/reference/participant#setmeta) which replaces).

> **Warning**
>
> **Not yet implemented in v4.** This method is on the API surface and will throw when called.

## **Parameters**

**`_meta`** `Record<string, unknown>` — required

Metadata to merge.

---

## **Returns**

`Promise<void>`

## **Throws**

Throws unconditionally — implementation pending.

## **Inherited from**

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

## **Examples**

```ts
await selfParticipant.updateMeta(_meta);
```

> Merges values into custom metadata (unlike setMeta which replaces).