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# 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).

## **Parameters**

Metadata to merge.

## **Returns**

`Promise<void>`

## **Throws**

Not yet implemented.

## **Inherited from**

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

## **Examples**

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