management.onInstalled()

Fired when an add-on is installed.

This API requires the "management" API permission.

Syntax

browser.management.onInstalled.addListener(listener)
browser.management.onInstalled.removeListener(listener)
browser.management.onInstalled.hasListener(listener)

Events have three functions:

addListener(callback): Adds a listener to this event.
removeListener(listener): Stop listening to this event. The listener argument is the listener to remove.
hasListener(listener): Checks whether a listener is registered for this event. Returns true if it is listening, false otherwise.

addListener syntax

Parameters

function

Callback function that will be called when this event occurs. The function will be passed the following argument:

info: ExtensionInfo: info about the add-on that was installed.

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`onInstalled`	Yes	79	55 Before version 56, only extensions whose `type` is `'theme'` are supported.	?	Yes	No	?	?	55 Before version 56, only extensions whose `type` is `'theme'` are supported.	?	No	?

Examples

Log the names of add-ons when they are installed:

browser.management.onInstalled.addListener((info) => {
  console.log(`${info.name} was installed`);
});

Note: This API is based on Chromium's chrome.management API. This documentation is derived from management.json in the Chromium code.

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/management/onInstalled