---
title: setChatClientData
description: Changes client data associated with a chat
---
## Method: setChatClientData  
[Back to methods index](index.md)


YOU CANNOT USE THIS METHOD IN MADELINEPROTO


Changes client data associated with a chat

### Parameters:

| Name     |    Type       | Required | Description |
|----------|---------------|----------|-------------|
|chat\_id|[int53](../types/int53.md) | Yes|Chat identifier|
|client\_data|[string](../types/string.md) | Yes|New value of client_data|


### Return type: [Ok](../types/Ok.md)