# 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_PART_TOO_BIG The uploaded file part is too big
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
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