60 lines
1.8 KiB
Markdown
60 lines
1.8 KiB
Markdown
---
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title: channels.togglePreHistoryHidden
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description: Hide/unhide message history for new channel/supergroup users
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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redirect_from: /API_docs/methods/channels_togglePreHistoryHidden.html
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---
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# Method: channels.togglePreHistoryHidden
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[Back to methods index](index.md)
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Hide/unhide message history for new channel/supergroup users
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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 | Optional|
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|enabled|[Bool](../types/Bool.md) | Hide/unhide | Yes|
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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->togglePreHistoryHidden(['channel' => InputChannel, 'enabled' => Bool, ]);
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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.togglePreHistoryHidden({channel=InputChannel, enabled=Bool, })
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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|CHAT_ID_INVALID|The provided chat id is invalid|
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|400|CHAT_LINK_EXISTS|The chat is public, you can't hide the history to new users|
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|400|CHAT_NOT_MODIFIED|The pinned message wasn't modified|
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