---
title: runtime.OnInstalledReason
slug: Mozilla/Add-ons/WebExtensions/API/runtime/OnInstalledReason
tags:
  - API
  - Add-ons
  - Extensions
  - Non-standard
  - OnInstalledReason
  - Reference
  - Type
  - WebExtensions
  - runtime
translation_of: Mozilla/Add-ons/WebExtensions/API/runtime/OnInstalledReason
---
<div>{{AddonSidebar()}}</div>

<p>Les valeurs pour laquelle l'événement {{WebExtAPIRef("runtime.onInstalled")}} est en cours d'envoi.</p>

<h2 id="Type">Type</h2>

<p>Les valeurs de ce type sont des chaînes. Les valeurs possibles sont :</p>

<dl>
 <dt><code>"install"</code></dt>
 <dd>L'extension a été installée.</dd>
 <dt><code>"update"</code></dt>
 <dd>L'extension a été mise à jour vers une nouvelle version.</dd>
 <dt><code>"browser_update"</code></dt>
 <dd>Le navigateur a été mise à jour vers une nouvelle version.</dd>
 <dt><code>"shared_module_update"</code></dt>
 <dd>Une autre extension, qui contient un module utilisé par cette extension, a été mise à jour.</dd>
</dl>

<h2 id="Compatibilité_du_navigateur">Compatibilité du navigateur</h2>

<p>{{Compat("webextensions.api.runtime.OnInstalledReason")}}</p>

<p>{{WebExtExamples}}</p>

<div class="note"><p><strong>Note :</strong></p>

<p>Cette API est basée sur l'API Chromium <a href="https://developer.chrome.com/extensions/runtime#event-onConnect"><code>chrome.runtime</code></a>. Cette documentation est dérivée de <a href="https://chromium.googlesource.com/chromium/src/+/master/extensions/common/api/runtime.json"><code>runtime.json</code></a> dans le code de Chromium code.</p>

<p>Les données de compatibilité relatives à Microsoft Edge sont fournies par Microsoft Corporation et incluses ici sous la licence Creative Commons Attribution 3.0 pour les États-Unis.</p>
</div>

<div class="hidden">
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