---
title: runtime.id
slug: Mozilla/Add-ons/WebExtensions/API/runtime/id
tags:
  - API
  - Add-ons
  - Extensions
  - Non-standard
  - Property
  - Reference
  - WebExtensions
  - runtime
  - §ID
translation_of: Mozilla/Add-ons/WebExtensions/API/runtime/id
---
{{AddonSidebar()}}

L'ID de l'extension

## Syntaxe

```js
var myAddonId = browser.runtime.id;
```

### Value

Une `chaîne` représentant l'ID du module complémentaire. Si l'extension a spécifié un ID dans la clé manifest.json de ses [applications](/fr/Add-ons/WebExtensions/manifest.json/applications), `runtime.id` contiendra la valeur. SInon `runtime.id` contiendra l'ID généré pour l'extension.

## Compatibilité du navigateur

{{Compat("webextensions.api.runtime.id")}}

{{WebExtExamples}}

> **Note :**
>
> Cette API est basée sur l'API Chromium [`chrome.runtime`](https://developer.chrome.com/extensions/runtime#event-onConnect). Cette documentation est dérivée de [`runtime.json`](https://chromium.googlesource.com/chromium/src/+/master/extensions/common/api/runtime.json) dans le code de Chromium code.

<div class="hidden"><pre>// Copyright 2015 The Chromium Authors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//    * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//    * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//    * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
</pre></div>