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

# ICompanionEphemeralIdentity

> Protobuf interface ICompanionEphemeralIdentity generated from WAProto.

Defined in: [WAProto/index.d.ts:3091](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L3091)

## Properties

### deviceType?

> `optional` **deviceType**: `null` | [`PlatformType`](/proto-reference/DeviceProps/enumerations/PlatformType)

Defined in: [WAProto/index.d.ts:3093](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L3093)

***

### publicKey?

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

Defined in: [WAProto/index.d.ts:3092](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L3092)

***

### ref?

> `optional` **ref**: `null` | `string`

Defined in: [WAProto/index.d.ts:3094](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L3094)