--- title: "langPackDifference" description: "Changes to the app's localization pack" nav_exclude: true image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: langPackDifference [Back to constructors index](/API_docs/constructors/index.html) Changes to the app's localization pack ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |lang\_code|[string](/API_docs/types/string.html) | Yes|Language code| |from\_version|[int](/API_docs/types/int.html) | Yes|Previous version number| |version|[int](/API_docs/types/int.html) | Yes|New version number| |strings|Array of [LangPackString](/API_docs/types/LangPackString.html) | Yes|Localized strings| ### Type: [LangPackDifference](/API_docs/types/LangPackDifference.html) ### Example: ``` $langPackDifference = ['_' => 'langPackDifference', 'lang_code' => 'string', 'from_version' => int, 'version' => int, 'strings' => [LangPackString, LangPackString]]; ```