MadelineProtoDocs/old_docs/API_docs_v21/methods/upload.getCdnFile.md

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---
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title: upload.getCdnFile
description: Download a [CDN](https://core.telegram.org/cdn) file.
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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redirect_from: /API_docs/methods/upload_getCdnFile.html
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---
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# Method: upload.getCdnFile
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[Back to methods index](index.md)
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Download a [CDN](https://core.telegram.org/cdn) file.
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### Parameters:
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| Name | Type | Description | Required |
|----------|---------------|-------------|----------|
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|file\_token|[bytes](../types/bytes.md) | File token | Yes|
|offset|[int](../types/int.md) | Offset of chunk to download | Yes|
|limit|[int](../types/int.md) | Length of chunk to download | Yes|
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### Return type: [upload.CdnFile](../types/upload.CdnFile.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')) {
copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';
$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();
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$upload.CdnFile = $MadelineProto->upload->getCdnFile(['file_token' => 'bytes', 'offset' => int, 'limit' => int, ]);
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```
Or, if you're into Lua:
```lua
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upload.CdnFile = upload.getCdnFile({file_token='bytes', offset=int, limit=int, })
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```