--- title: upload.reuploadCdnFile description: Request a reupload of a certain file to a [CDN DC](https://core.telegram.org/cdn). image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png redirect_from: /API_docs/methods/upload_reuploadCdnFile.html --- # Method: upload.reuploadCdnFile [Back to methods index](index.md) Request a reupload of a certain file to a [CDN DC](https://core.telegram.org/cdn). ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |file\_token|[bytes](../types/bytes.md) | File token | Yes| |request\_token|[bytes](../types/bytes.md) | Request token | Yes| ### Return type: [Vector\_of\_CdnFileHash](../types/CdnFileHash.md) ### Can bots use this method: **YES** ### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)): ```php 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(); $Vector_of_CdnFileHash = $MadelineProto->upload->reuploadCdnFile(['file_token' => 'bytes', 'request_token' => 'bytes', ]); ``` Or, if you're into Lua: ```lua Vector_of_CdnFileHash = upload.reuploadCdnFile({file_token='bytes', request_token='bytes', }) ``` ### Errors | Code | Type | Description | |------|----------|---------------| |400|RSA_DECRYPT_FAILED|Internal RSA decryption failed|