53 lines
1.4 KiB
Markdown
53 lines
1.4 KiB
Markdown
---
|
|
title: account.checkUsername
|
|
description: Validates a username and checks availability.
|
|
image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
|
|
redirect_from: /API_docs/methods/account_checkUsername.html
|
|
---
|
|
# Method: account.checkUsername
|
|
[Back to methods index](index.md)
|
|
|
|
|
|
Validates a username and checks availability.
|
|
|
|
### Parameters:
|
|
|
|
| Name | Type | Description | Required |
|
|
|----------|---------------|-------------|----------|
|
|
|username|[string](../types/string.md) | Username<br>Accepted characters: A-z (case-insensitive), 0-9 and underscores.<br>Length: 5-32 characters. | Yes|
|
|
|
|
|
|
### Return type: [Bool](../types/Bool.md)
|
|
|
|
### Can bots use this method: **NO**
|
|
|
|
|
|
### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)):
|
|
|
|
|
|
```php
|
|
if (!file_exists('madeline.php')) {
|
|
copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
|
|
}
|
|
include 'madeline.php';
|
|
|
|
$MadelineProto = new \danog\MadelineProto\API('session.madeline');
|
|
$MadelineProto->start();
|
|
|
|
$Bool = $MadelineProto->account->checkUsername(['username' => 'string', ]);
|
|
```
|
|
|
|
Or, if you're into Lua:
|
|
|
|
```lua
|
|
Bool = account.checkUsername({username='string', })
|
|
```
|
|
|
|
### Errors
|
|
|
|
| Code | Type | Description |
|
|
|------|----------|---------------|
|
|
|400|USERNAME_INVALID|The provided username is not valid|
|
|
|
|
|