[android-components](../../index.md) / [mozilla.components.concept.engine.webextension](../index.md) / [Metadata](./index.md)

# Metadata

`data class Metadata` [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/concept/engine/src/main/java/mozilla/components/concept/engine/webextension/WebExtension.kt#L245)

Provides information about a [WebExtension](../-web-extension/index.md).

### Constructors

| Name | Summary |
|---|---|
| [&lt;init&gt;](-init-.md) | `Metadata(version: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, permissions: `[`List`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`>, hostPermissions: `[`List`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`>, name: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?, description: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?, developerName: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?, developerUrl: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?, homePageUrl: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?, optionsPageUrl: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?, openOptionsPageInTab: `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)`?)`<br>Provides information about a [WebExtension](../-web-extension/index.md). |

### Properties

| Name | Summary |
|---|---|
| [description](description.md) | `val description: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?`<br>Description of the extension: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/description |
| [developerName](developer-name.md) | `val developerName: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?`<br>Name of the extension developer: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/developer |
| [developerUrl](developer-url.md) | `val developerUrl: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?`<br>Url of the developer: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/developer |
| [homePageUrl](home-page-url.md) | `val homePageUrl: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?`<br>Url of extension's homepage: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/homepage_url |
| [hostPermissions](host-permissions.md) | `val hostPermissions: `[`List`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`>`<br>Required host permissions: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions#Host_permissions |
| [name](name.md) | `val name: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?`<br>Name of the extension: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/name |
| [openOptionsPageInTab](open-options-page-in-tab.md) | `val openOptionsPageInTab: `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)`?`<br>Whether or not the options page should be opened in a new tab: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/options_ui#syntax |
| [optionsPageUrl](options-page-url.md) | `val optionsPageUrl: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?`<br>Options page: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/options_ui |
| [permissions](permissions.md) | `val permissions: `[`List`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`>`<br>Required extension permissions: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions#API_permissions |
| [version](version.md) | `val version: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)<br>Version string: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/version |

### Extension Functions

| Name | Summary |
|---|---|
| [loadResourceAsString](../../mozilla.components.support.test.file/kotlin.-any/load-resource-as-string.md) | `fun `[`Any`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)`.loadResourceAsString(path: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)<br>Loads a file from the resources folder and returns its content as a string object. |
