50 lines
1.3 KiB
Markdown
50 lines
1.3 KiB
Markdown
---
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title: help.getCdnConfig
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description: Get configuration for [CDN](https://core.telegram.org/cdn) file downloads.
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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redirect_from: /API_docs/methods/help_getCdnConfig.html
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---
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# Method: help.getCdnConfig
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[Back to methods index](index.md)
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Get configuration for [CDN](https://core.telegram.org/cdn) file downloads.
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### Return type: [CdnConfig](../types/CdnConfig.md)
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### Can bots use this method: **YES**
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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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$CdnConfig = $MadelineProto->help->getCdnConfig();
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```
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Or, if you're into Lua:
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```lua
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CdnConfig = help.getCdnConfig({})
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```
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### Errors
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| Code | Type | Description |
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|------|----------|---------------|
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|406|AUTH_KEY_DUPLICATED|An auth key with the same ID was already generated|
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|401|AUTH_KEY_PERM_EMPTY|The temporary auth key must be binded to the permanent auth key to use these methods.|
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|-503|Timeout|Timeout while fetching data|
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