--- title: messages.getDocumentByHash description: messages.getDocumentByHash parameters, return type and example --- ## Method: messages.getDocumentByHash [Back to methods index](index.md) ### Parameters: | Name | Type | Required | |----------|---------------|----------| |sha256|[bytes](../types/bytes.md) | Yes| |size|[int](../types/int.md) | Yes| |mime\_type|[string](../types/string.md) | Yes| ### Return type: [Document](../types/Document.md) ### Can bots use this method: **YES** ### Errors this method can return: | Error | Description | |----------|---------------| |SHA256_HASH_INVALID|The provided SHA256 hash is invalid| ### Example: ``` $MadelineProto = new \danog\MadelineProto\API(); if (isset($token)) { // Login as a bot $MadelineProto->bot_login($token); } if (isset($number)) { // Login as a user $sentCode = $MadelineProto->phone_login($number); echo 'Enter the code you received: '; $code = ''; for ($x = 0; $x < $sentCode['type']['length']; $x++) { $code .= fgetc(STDIN); } $MadelineProto->complete_phone_login($code); } $Document = $MadelineProto->messages->getDocumentByHash(['sha256' => 'bytes', 'size' => int, 'mime_type' => 'string', ]); ``` Or, if you're using the [PWRTelegram HTTP API](https://pwrtelegram.xyz): ### As a bot: POST/GET to `https://api.pwrtelegram.xyz/botTOKEN/madeline` Parameters: * method - messages.getDocumentByHash * params - `{"sha256": "bytes", "size": int, "mime_type": "string", }` ### As a user: POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/messages.getDocumentByHash` Parameters: sha256 - Json encoded bytes size - Json encoded int mime_type - Json encoded string Or, if you're into Lua: ``` Document = messages.getDocumentByHash({sha256='bytes', size=int, mime_type='string', }) ```