index.md

---

title: extension.isAllowedIncognitoAccess()
slug: Mozilla/Add-ons/WebExtensions/API/extension/isAllowedIncognitoAccess
page-type: webextension-api-function
tags:
  - API
  - Add-ons
  - Extension
  - Extensions
  - Method
  - Non-standard
  - Reference
  - WebExtensions
  - isAllowedIncognitoAccess
browser-compat: webextensions.api.extension.isAllowedIncognitoAccess

---

{{AddonSidebar()}}

Check whether the extension is allowed access to tabs opened in "private browsing" mode.

This is an asynchronous function that returns a Promise.

Syntax

let isAllowed = browser.extension.isAllowedIncognitoAccess()

Parameters

None.

Return value

A Promise that will be fulfilled with a boolean: true if the extension is allowed access to private tabs, false otherwise.

Examples

function logIsAllowed(answer) {
  console.log(`Is allowed: ${answer}`);
}

let isAllowed = browser.extension.isAllowedIncognitoAccess();
isAllowed.then(logIsAllowed);

{{WebExtExamples}}

Browser compatibility

{{Compat}}

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