# Method: messages.getDocumentByHash

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Get a document by its SHA256 hash, mainly used for gifs

# Parameters:

Name Type Description Required
sha256 bytes SHA256 of file Yes
size int Size of the file in bytes Yes
mime_type string Mime type Yes

# Return type: Document

# 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();

$Document = $MadelineProto->messages->getDocumentByHash(['sha256' => 'bytes', 'size' => int, 'mime_type' => 'string', ]);

Or, if you’re into Lua:

Document = messages.getDocumentByHash({sha256='bytes', size=int, mime_type='string', })

# Errors

Code Type Description
400 SHA256_HASH_INVALID The provided SHA256 hash is invalid
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