files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/oncreated/index.md
Fired when a new contextual identity is created. Contextual identities may be created by extensions using the contextualIdentities API, or directly by the user, using the browser's user interface.
browser.contextualIdentities.onCreated.addListener(listener)
browser.contextualIdentities.onCreated.removeListener(listener)
browser.contextualIdentities.onCreated.hasListener(listener)
Events have three functions:
addListener(listener)
removeListener(listener)
listener argument is the listener to remove.hasListener(listener)
listener is registered for this event. Returns true if it is listening, false otherwise.listener
changeInfo
object. An object that contains a single property, contextualIdentity, which is a {{WebExtAPIRef("contextualIdentities.ContextualIdentity")}} object, representing the identity that was created.function handleCreated(changeInfo) {
console.log(`Created: ${changeInfo.contextualIdentity.name}`);
}
browser.contextualIdentities.onCreated.addListener(handleCreated);
{{WebExtExamples}}
{{Compat}}
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