> ## Documentation Index
> Fetch the complete documentation index at: https://baileys.wiki/llms.txt
> Use this file to discover all available pages before exploring further.

# IKeyId

> Protobuf interface IKeyId generated from WAProto.

Defined in: [WAProto/index.d.ts:4933](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L4933)

## Properties

### id?

> `optional` **id**: `null` | `Uint8Array`\<`ArrayBufferLike`>

Defined in: [WAProto/index.d.ts:4934](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L4934)