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

# IAppStateSyncKeyId

> Protobuf interface IAppStateSyncKeyId generated from WAProto.

Defined in: [WAProto/index.d.ts:5487](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L5487)

## Properties

### keyId?

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

Defined in: [WAProto/index.d.ts:5488](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L5488)