MadelineProtoDocs/old_docs/API_docs_v29/methods/help.getAppChangelog.md

title: help.getAppChangelog description: Get changelog of current app.
Typically, an updates constructor will be returned, containing one or more updateServiceNotification updates with app-specific changelogs. image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png redirect_from: /API_docs/methods/help_getAppChangelog.html

Method: help.getAppChangelog

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Get changelog of current app.
Typically, an updates constructor will be returned, containing one or more updateServiceNotification updates with app-specific changelogs.

Parameters:

Name	Type	Description	Required
prev_app_version	string	Previous app version	Yes

Return type: Updates

Can bots use this method: NO

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();

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

Or, if you're into Lua:

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