62 lines
1.8 KiB
Markdown
62 lines
1.8 KiB
Markdown
---
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title: channels.joinChannel
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description: Join a channel/supergroup
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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redirect_from: /API_docs/methods/channels_joinChannel.html
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---
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# Method: channels.joinChannel
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[Back to methods index](index.md)
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Join a channel/supergroup
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### Parameters:
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| Name | Type | Description | Required |
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|----------|---------------|-------------|----------|
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|channel|[Username, chat ID, Update, Message or InputChannel](../types/InputChannel.md) | Channel/supergroup to join | Optional|
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### Return type: [Updates](../types/Updates.md)
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### Can bots use this method: **NO**
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### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)):
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```php
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if (!file_exists('madeline.php')) {
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copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
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}
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include 'madeline.php';
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$MadelineProto = new \danog\MadelineProto\API('session.madeline');
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$MadelineProto->start();
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$Updates = $MadelineProto->channels->joinChannel(['channel' => InputChannel, ]);
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```
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Or, if you're into Lua:
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```lua
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Updates = channels.joinChannel({channel=InputChannel, })
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```
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### Errors
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| Code | Type | Description |
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|------|----------|---------------|
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|400|CHANNEL_INVALID|The provided channel is invalid|
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|400|CHANNEL_PRIVATE|You haven't joined this channel/supergroup|
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|400|CHANNELS_TOO_MUCH|You have joined too many channels/supergroups|
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|400|INVITE_HASH_EMPTY|The invite hash is empty|
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|400|INVITE_HASH_EXPIRED|The invite link has expired|
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|400|INVITE_HASH_INVALID|The invite hash is invalid|
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|400|MSG_ID_INVALID|Invalid message ID provided|
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|400|USER_ALREADY_PARTICIPANT|The user is already in the group|
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|406|AUTH_KEY_DUPLICATED|An auth key with the same ID was already generated|
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|401|SESSION_PASSWORD_NEEDED|2FA is enabled, use a password to login|
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