---
title: danog\MadelineProto\Settings\AppInfo: App information.
description: 

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# `danog\MadelineProto\Settings\AppInfo`
[Back to index](../../../index.md)

> Author: Daniil Gentili <daniil@daniil.it>  
  

App information.  




## Method list:
* `hasApiInfo(): bool`
* `getApiId(): int`
* `setApiId(int $apiId): self`
* `getApiHash(): string`
* `setApiHash(string $apiHash): self`
* `getDeviceModel(): string`
* `setDeviceModel(string $deviceModel): self`
* `getSystemVersion(): string`
* `setSystemVersion(string $systemVersion): self`
* `getAppVersion(): string`
* `setAppVersion(string $appVersion): self`
* `getLangCode(): string`
* `setLangCode(string $langCode): self`
* `getLangPack(): string`
* `setLangPack(string $langPack): self`
* `hasChanged(): bool`

## Methods:
### `hasApiInfo(): bool`

Check if the settings have API ID/hash information.



### `getApiId(): int`

Get API ID.



### `setApiId(int $apiId): self`

Set API ID.


Parameters:
* `$apiId`: `int` API ID.  



### `getApiHash(): string`

Get API hash.



### `setApiHash(string $apiHash): self`

Set API hash.


Parameters:
* `$apiHash`: `string` API hash.  



### `getDeviceModel(): string`

Get device model.



### `setDeviceModel(string $deviceModel): self`

Set device model.


Parameters:
* `$deviceModel`: `string` Device model.  



### `getSystemVersion(): string`

Get system version.



### `setSystemVersion(string $systemVersion): self`

Set system version.


Parameters:
* `$systemVersion`: `string` System version.  



### `getAppVersion(): string`

Get app version.



### `setAppVersion(string $appVersion): self`

Set app version.


Parameters:
* `$appVersion`: `string` App version.  



### `getLangCode(): string`

Get language code.



### `setLangCode(string $langCode): self`

Set language code.


Parameters:
* `$langCode`: `string` Language code.  



### `getLangPack(): string`

Get language pack.



### `setLangPack(string $langPack): self`

Set language pack.


Parameters:
* `$langPack`: `string` Language pack.  



### `hasChanged(): bool`

Get whether this setting was changed, also applies changes.



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