58 lines
1.8 KiB
Markdown
58 lines
1.8 KiB
Markdown
|
---
|
||
|
|
title: channels.checkUsername
|
||
|
|
description: Check if a username is free and can be assigned to a channel/supergroup
|
||
|
|
image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
|
||
|
|
redirect_from: /API_docs/methods/channels_checkUsername.html
|
||
|
|
---
|
||
|
|
# Method: channels.checkUsername
|
||
|
|
[Back to methods index](index.md)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
Check if a username is free and can be assigned to a channel/supergroup
|
||
|
|
|
||
|
|
### Parameters:
|
||
|
|
|
||
|
|
| Name | Type | Description | Required |
|
||
|
|
|----------|---------------|-------------|----------|
|
||
|
|
|channel|[Username, chat ID, Update, Message or InputChannel](../types/InputChannel.md) | The [channel/supergroup](https://core.telegram.org/api/channel) that will assigned the specified username | Optional|
|
||
|
|
|username|[string](../types/string.md) | The username to check | 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->channels->checkUsername(['channel' => InputChannel, 'username' => 'string', ]);
|
||
|
|
```
|
||
|
|
|
||
|
|
Or, if you're into Lua:
|
||
|
|
|
||
|
|
```lua
|
||
|
|
Bool = channels.checkUsername({channel=InputChannel, username='string', })
|
||
|
|
```
|
||
|
|
|
||
|
|
### Errors
|
||
|
|
|
||
|
|
| Code | Type | Description |
|
||
|
|
|------|----------|---------------|
|
||
|
|
|400|CHANNEL_INVALID|The provided channel is invalid|
|
||
|
|
|400|CHANNELS_ADMIN_PUBLIC_TOO_MUCH|You're admin of too many public channels, make some channels private to change the username of this channel|
|
||
|
|
|400|CHAT_ID_INVALID|The provided chat id is invalid|
|
||
|
|
|400|USERNAME_INVALID|The provided username is not valid|
|
||
|
|
|
||
|
|
|