MadelineProtoDocs/old_docs/API_docs_v40/methods/help_getAppChangelog.md

---
title: help.getAppChangelog
description: Get the changelog of this app
image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
---
# Method: help.getAppChangelog  
[Back to methods index](index.md)


Get the changelog of this app

### Parameters:

| Name     |    Type       | Description | Required |
|----------|---------------|-------------|----------|
|device\_model|[string](../types/string.md) | Device model | Yes|
|system\_version|[string](../types/string.md) | System version | Yes|
|app\_version|[string](../types/string.md) | App version | Yes|
|lang\_code|[string](../types/string.md) | Language code | Yes|


### Return type: [help\_AppChangelog](../types/help_AppChangelog.md)

### Can bots use this method: **NO**


### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)):


```php
if (!file_exists('madeline.php')) {
    copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
define('MADELINE_BRANCH', '');
include 'madeline.php';

$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();

$help_AppChangelog = $MadelineProto->help->getAppChangelog(['device_model' => 'string', 'system_version' => 'string', 'app_version' => 'string', 'lang_code' => 'string', ]);
```

Or, if you're into Lua:

```lua
help_AppChangelog = help.getAppChangelog({device_model='string', system_version='string', app_version='string', lang_code='string', })
```