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

# IReaction

> Protobuf interface IReaction generated from WAProto.

Defined in: [WAProto/index.d.ts:10623](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10623)

## Properties

### groupingKey?

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

Defined in: [WAProto/index.d.ts:10626](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10626)

***

### key?

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

Defined in: [WAProto/index.d.ts:10624](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10624)

***

### senderTimestampMs?

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

Defined in: [WAProto/index.d.ts:10627](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10627)

***

### text?

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

Defined in: [WAProto/index.d.ts:10625](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10625)

***

### unread?

> `optional` **unread**: `null` | `boolean`

Defined in: [WAProto/index.d.ts:10628](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10628)