MadelineProto/old_docs/API_docs_v72/methods/help_getAppChangelog.md

---
title: help.getAppChangelog
description: help.getAppChangelog parameters, return type and example
---
## Method: help.getAppChangelog  
[Back to methods index](index.md)


### Parameters:

| Name     |    Type       | Required |
|----------|---------------|----------|
|prev\_app\_version|[string](../types/string.md) | Yes|


### Return type: [Updates](../types/Updates.md)

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


### Example:


```
$MadelineProto = new \danog\MadelineProto\API();
$MadelineProto->session = 'mySession.madeline';
if (isset($number)) { // Login as a user
    $MadelineProto->phone_login($number);
    $code = readline('Enter the code you received: '); // Or do this in two separate steps in an HTTP API
    $MadelineProto->complete_phone_login($code);
}

$Updates = $MadelineProto->help->getAppChangelog(['prev_app_version' => 'string', ]);
```

Or, if you're using the [PWRTelegram HTTP API](https://pwrtelegram.xyz):



### As a user:

POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/help.getAppChangelog`

Parameters:

prev_app_version - Json encoded string




Or, if you're into Lua:

```
Updates = help.getAppChangelog({prev_app_version='string', })
```