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

# IPinInChatMessage

> Protobuf interface IPinInChatMessage generated from WAProto.

Defined in: [WAProto/index.d.ts:8242](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L8242)

## Properties

### key?

> `optional` **key**: `null` | [`IMessageKey`](/proto-reference/interfaces/IMessageKey)

Defined in: [WAProto/index.d.ts:8243](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L8243)

***

### senderTimestampMs?

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

Defined in: [WAProto/index.d.ts:8245](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L8245)

***

### type?

> `optional` **type**: `null` | [`Type`](/proto-reference/Message/PinInChatMessage/enumerations/Type)

Defined in: [WAProto/index.d.ts:8244](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L8244)