MadelineProto/docs/TD_docs/constructors/chatEventUsernameChanged.md

---
title: chatEventUsernameChanged
description: Chat username was changed
---
## Constructor: chatEventUsernameChanged  
[Back to constructors index](index.md)



Chat username was changed

### Attributes:

| Name     |    Type       | Required | Description |
|----------|---------------|----------|-------------|
|old\_username|[string](../types/string.md) | Yes|Old username value|
|new\_username|[string](../types/string.md) | Yes|New username value|



### Type: [ChatEventAction](../types/ChatEventAction.md)