# danog\MadelineProto\EventHandler\User\Username: Changes were made to the user’s first name, last name or username.

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> Author: Daniil Gentili <daniil@daniil.it>  
  

Changes were made to the user’s first name, last name or username.  



## Properties
* `$userId`: `int` User identifier
* `$firstName`: `string` New first name. Corresponds to the new value of `real_first_name` field of the [userFull](https://docs.madelineproto.xyz/API_docs/constructors/userFull.html) constructor.
* `$lastName`: `string` New last name. Corresponds to the new value of `real_last_name` field of the [userFull](https://docs.madelineproto.xyz/API_docs/constructors/userFull.html) constructor.
* `$usernames`: `list<UsernameInfo>` 
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