--- title: help.getAppChangelog description: help.getAppChangelog parameters, return type and example --- ## Method: help.getAppChangelog [Back to methods index](index.md) ### Parameters: | Name | Type | Required | |----------|:-------------:|---------:| |device\_model|[string](../types/string.md) | Yes| |system\_version|[string](../types/string.md) | Yes| |app\_version|[string](../types/string.md) | Yes| |lang\_code|[string](../types/string.md) | Yes| ### Return type: [help\_AppChangelog](../types/help_AppChangelog.md) ### 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); } $help_AppChangelog = $MadelineProto->help->getAppChangelog(['device_model' => 'string', 'system_version' => 'string', 'app_version' => 'string', 'lang_code' => 'string', ]); ``` Or, if you're using [PWRTelegram](https://pwrtelegram.xyz): ### As a bot: POST/GET to `https://api.pwrtelegram.xyz/botTOKEN/madeline` Parameters: * method - help.getAppChangelog * params - {"device_model": "string", "system_version": "string", "app_version": "string", "lang_code": "string", } ### As a user: POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/help.getAppChangelog` Parameters: device_model - Json encoded string system_version - Json encoded string app_version - Json encoded string lang_code - Json encoded string ``` Or, if you're into Lua: ``` help_AppChangelog = help.getAppChangelog({device_model='string', system_version='string', app_version='string', lang_code='string', }) ```