60 lines
2.0 KiB
Markdown
60 lines
2.0 KiB
Markdown
---
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title: channels.deleteUserHistory
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description: Delete all messages sent by a certain user in a [supergroup](https://core.telegram.org/api/channel)
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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redirect_from: /API_docs/methods/channels_deleteUserHistory.html
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---
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# Method: channels.deleteUserHistory
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[Back to methods index](index.md)
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Delete all messages sent by a certain user in a [supergroup](https://core.telegram.org/api/channel)
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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) | [Supergroup](https://core.telegram.org/api/channel) | Optional|
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|user\_id|[Username, chat ID, Update, Message or InputUser](../types/InputUser.md) | User whose messages should be deleted | Optional|
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### Return type: [messages.AffectedHistory](../types/messages.AffectedHistory.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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$messages.AffectedHistory = $MadelineProto->channels->deleteUserHistory(['channel' => InputChannel, 'user_id' => InputUser, ]);
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```
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Or, if you're into Lua:
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```lua
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messages.AffectedHistory = channels.deleteUserHistory({channel=InputChannel, user_id=InputUser, })
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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|CHAT_ADMIN_REQUIRED|You must be an admin in this chat to do this|
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|400|MSG_ID_INVALID|Invalid message ID provided|
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|400|USER_ID_INVALID|The provided user ID is invalid|
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|403|CHAT_WRITE_FORBIDDEN|You can't write in this chat|
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