MadelineProtoDocs/docs/API_docs/methods/langpack_getDifference.md

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---
title: langpack.getDifference
description: Get language pack updates
image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
---
# Method: langpack.getDifference
[Back to methods index](index.md)
Get language pack updates
### Parameters:
| Name | Type | Description | Required |
|----------|---------------|-------------|----------|
|from\_version|[int](../types/int.md) | Previous version | Yes|
### Return type: [LangPackDifference](../types/LangPackDifference.md)
### Can bots use this method: **NO**
### MadelineProto Example:
```
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();
$LangPackDifference = $MadelineProto->langpack->getDifference(['from_version' => int, ]);
```
### [PWRTelegram HTTP API](https://pwrtelegram.xyz) example (NOT FOR MadelineProto):
### As a user:
POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/langpack.getDifference`
Parameters:
from_version - Json encoded int
Or, if you're into Lua:
```
LangPackDifference = langpack.getDifference({from_version=int, })
```
### Errors this method can return:
| Error | Description |
|----------|---------------|
|LANG_PACK_INVALID|The provided language pack is invalid|