MadelineProtoDocs/old_docs/API_docs_v29/methods/upload.saveBigFilePart.md

title	description	image	redirect_from
upload.saveBigFilePart	Saves a part of a large file (over 10Mb in size) to be later passed to one of the methods.	https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png	/API_docs/methods/upload_saveBigFilePart.html

Method: upload.saveBigFilePart

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Saves a part of a large file (over 10Mb in size) to be later passed to one of the methods.

Parameters:

Name	Type	Description	Required
file_id	long	Random file id, created by the client	Yes
file_part	int	Part sequence number	Yes
file_total_parts	int	Total number of parts	Yes
bytes	bytes	Binary data, part contents	Yes

Return type: Bool

Can bots use this method: YES

MadelineProto Example (now async for huge speed and parallelism!):

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();

$Bool = $MadelineProto->upload->saveBigFilePart(['file_id' => long, 'file_part' => int, 'file_total_parts' => int, 'bytes' => 'bytes', ]);

Or, if you're into Lua:

Bool = upload.saveBigFilePart({file_id=long, file_part=int, file_total_parts=int, bytes='bytes', })

Errors

Code	Type	Description
400	FILE_PART_EMPTY	The provided file part is empty
400	FILE_PART_INVALID	The file part number is invalid
400	FILE_PART_SIZE_CHANGED	Provided file part size has changed
400	FILE_PART_SIZE_INVALID	The provided file part size is invalid
400	FILE_PARTS_INVALID	The number of file parts is invalid
406	AUTH_KEY_DUPLICATED	An auth key with the same ID was already generated
-503	Timeout	Timeout while fetching data