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

# KeyIndexData

> Type Alias KeyIndexData in the Baileys API.

> **KeyIndexData**: `object`

Defined in: [src/WAUSync/Protocols/USyncDeviceProtocol.ts:5](https://github.com/WhiskeySockets/Baileys/blob/master/src/WAUSync/Protocols/USyncDeviceProtocol.ts#L5)

## Type declaration

### expectedTimestamp?

> `optional` **expectedTimestamp**: `number`

### signedKeyIndex?

> `optional` **signedKeyIndex**: `Uint8Array`

### timestamp

> **timestamp**: `number`