---
title: webNavigation.TransitionType
slug: Mozilla/Add-ons/WebExtensions/API/webNavigation/TransitionType
tags:
  - API
  - Add-ons
  - Extensions
  - Non-standard
  - Reference
  - TransitionType
  - Type
  - WebExtensions
  - webNavigation
browser-compat: webextensions.api.webNavigation.TransitionType
---
{{AddonSidebar()}}

Cause of the navigation: for example, the user clicked a link, or typed an address, or clicked a bookmark.

Note that many values here are not currently supported in Firefox: see the [browser compatibility table](/en-US/docs/Mozilla/Add-ons/WebExtensions/API/webNavigation/TransitionType#browser_compatibility) for details.

## Type

Values of this type are strings. Possible values are:

- "link"
  - : The user clicked a link in another page.
- "typed"
  - : The user typed the URL into the address bar. This is also used if the user started typing into the address bar, then selected a URL from the suggestions it offered. See also "generated".
- "auto_bookmark"
  - : The user clicked a bookmark or an item in the browser history.
- "auto_subframe"
  - : Any nested iframes that are automatically loaded by their parent.
- "manual_subframe"
  - : Any nested iframes that are loaded as an explicit user action. Loading such an iframe will generate an entry in the back/forward navigation list.
- "generated"
  - : The user started typing in the address bar, then clicked on a suggested entry that didn't contain a URL.
- "start_page"
  - : The page was passed to the command line or is the start page.
- "form_submit"
  - : The user submitted a form. Note that in some situations, such as when a form uses a script to submit its contents, submitting a form does not result in this transition type.
- "reload"
  - : The user reloaded the page, using the Reload button or by pressing Enter in the address bar. This is also used for session restore and reopening closed tabs.
- "keyword"
  - : The URL was generated using a [keyword search](https://support.mozilla.org/en-US/kb/how-search-from-address-bar) configured by the user.
- "keyword_generated"
  - : Corresponds to a visit generated for a keyword.

## Browser compatibility

{{Compat}}

{{WebExtExamples}}

> **Note:** This API is based on Chromium's [`chrome.webNavigation`](https://developer.chrome.com/extensions/webNavigation#type-TransitionType) API. This documentation is derived from [`web_navigation.json`](https://chromium.googlesource.com/chromium/src/+/master/chrome/common/extensions/api/web_navigation.json) in the Chromium code.
>
> Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

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