MadelineProto/docs/TD_docs/constructors/updateChatTopMessage.md
Daniil Gentili 8600a2fcba docufix
2017-09-29 15:50:59 +02:00

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---
title: updateChatTopMessage
description: Top message of the chat has changed. If top_message is null then top message in the chat became unknown. Some new unknown messages might be added to the chat in that case
---
## Constructor: updateChatTopMessage
[Back to constructors index](index.md)
Top message of the chat has changed. If top_message is null then top message in the chat became unknown. Some new unknown messages might be added to the chat in that case
### Attributes:
| Name | Type | Required | Description |
|----------|---------------|----------|-------------|
|chat\_id|[int53](../types/int53.md) | Yes|Chat identifier|
|top\_message|[message](../constructors/message.md) | Yes|New top message of the chat, nullable|
### Type: [Update](../types/Update.md)