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

# IAppStateSyncKeyData

> Protobuf interface IAppStateSyncKeyData generated from WAProto.

Defined in: [WAProto/index.d.ts:5447](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L5447)

## Properties

### fingerprint?

> `optional` **fingerprint**: `null` | [`IAppStateSyncKeyFingerprint`](/proto-reference/Message/interfaces/IAppStateSyncKeyFingerprint)

Defined in: [WAProto/index.d.ts:5449](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L5449)

***

### keyData?

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

Defined in: [WAProto/index.d.ts:5448](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L5448)

***

### timestamp?

> `optional` **timestamp**: `null` | `number` | `Long`

Defined in: [WAProto/index.d.ts:5450](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L5450)