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

# IPinInChat

> Protobuf interface IPinInChat generated from WAProto.

Defined in: [WAProto/index.d.ts:10330](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10330)

## Properties

### key?

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

Defined in: [WAProto/index.d.ts:10332](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10332)

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### messageAddOnContextInfo?

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

Defined in: [WAProto/index.d.ts:10335](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10335)

***

### senderTimestampMs?

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

Defined in: [WAProto/index.d.ts:10333](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10333)

***

### serverTimestampMs?

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

Defined in: [WAProto/index.d.ts:10334](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10334)

***

### type?

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

Defined in: [WAProto/index.d.ts:10331](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10331)