# reactionCustomEmoji

[Custom emoji](/api/custom-emoji.md) message reaction

```tl
reactionCustomEmoji#8935fc73 document_id:long = Reaction;
```

### Parameters

| Name | Type | Description |
| --- | :---: | --- |
| **document\_id** | [long](/type/long.md) | [Custom emoji document ID](/api/custom-emoji.md) |

### Type
[Reaction](/type/Reaction.md)

### Related pages

#### [Custom emojis](/api/custom-emoji.md)
Telegram allows including animated and static custom emojis inside of messages.