MadelineProto/docs/API_docs/constructors/updateUserName.md

Constructor: updateUserName

Attributes:

Name	Type	Required
user_id	int	Required
first_name	string	Required
last_name	string	Required
username	string	Required

Type: Update

Example:

$updateUserName = ['user_id' => int, 'first_name' => string, 'last_name' => string, 'username' => string, ];