index.md

---

title: contextualIdentities.onUpdated
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/onUpdated
page-type: webextension-api-event
tags:
  - API
  - Add-ons
  - Event
  - Extensions
  - Reference
  - WebExtensions
  - contextualIdentities
  - onUpdated
browser-compat: webextensions.api.contextualIdentities.onUpdated

---

{{AddonSidebar()}}

Fired when the properties of a contextual identity, such as its name, icon, or color, are changed. Contextual identities may be updated by extensions using the contextualIdentities API, or directly by the user, using the browser's user interface.

Syntax

browser.contextualIdentities.onUpdated.addListener(listener)
browser.contextualIdentities.onUpdated.removeListener(listener)
browser.contextualIdentities.onUpdated.hasListener(listener)

Events have three functions:

• addListener(listener)

  • : Adds a listener to this event.

• removeListener(listener)

  • : Stop listening to this event. The listener argument is the listener to remove.

• hasListener(listener)

  • : Check whether listener is registered for this event. Returns true if it is listening, false otherwise.

addListener syntax

Parameters

• callback

  • : Function that will be called when this event occurs. The function will be passed the following arguments:

    • changeInfo

      • : object. An object that contains a single property, contextualIdentity, which is a {{WebExtAPIRef("contextualIdentities.ContextualIdentity")}} object representing the identity whose properties were updated.

Browser compatibility

{{Compat}}

Examples

function handleUpdated(changeInfo) {
  console.log(`Updated: ${changeInfo.contextualIdentity.name}`);
}

browser.contextualIdentities.onUpdated.addListener(handleUpdated);

{{WebExtExamples}}