ExtensionInfo

An ExtensionInfo object contains information about an add-on.

Type

It is an object with the following properties:

description
string. The add-on's description, taken from the manifest.json description key.
disabledReason
string. If the add-on is disabled, the reason it was disabled. One of "unknown" or "permissions_increase".
enabled
boolean. Whether or not the add-on is currently enabled.
homepageUrl
string. The add-on's homepage URL, taken from the manifest.json homepage_url key.
hostPermissions
array of string. The add-on's host permissions.
icons
array of object. Information about the add-on's icons. An array of objects, one for each icon. Each object contains two properties:
  • size: an integer representing the icon's width and height in pixels.
  • url: a string containing a relative URL to the icon, starting at the add-on's root.
id
string. The add-on's ID.
installType
string. String describing how the add-on was installed. One of the following:
  • "admin": the add-on was installed because of an administrative policy.
  • "development": the add-on was installed unpacked from disk.
  • "normal": the add-on was installed normally from an install package.
  • "sideload": the add-on was installed by some other software on the user's computer.
  • "other": the add-on was installed in some other way.
mayDisable
boolean. Whether this add-on can be disabled or uninstalled by the user.
name
string. The add-on's description, taken from the manifest.json name key.
offlineEnabled
boolean. Whether the add-on claims to support offline.
optionsUrl
string. URL for the item's options page, if it has one. This is a relative URL, starting at the add-on's root.
permissions
array of string. The add-on's API permissions.
shortName
string. A short version of the add-on's name, taken from the manifest.json short_name key.
type
string. String describing the type of extension. This is used in Chrome to distinguish add-ons from apps and themes. It may take any of the following values:
  • "extension": an add-on.
  • "hosted_app"
  • "packaged_app"
  • "legacy_packaged_app"
  • "theme"
updateUrl
string. URL for updates to this add-on, taken from the manifest.json applications key.
version
string. Version of this add-on, taken from the manifest.json version key.
versionName
string. Descriptive name for this add-on's version, taken from the manifest.json version_name key.

Browser compatibility

Chrome Edge Firefox Firefox for Android Opera
Basic support Yes No 51.0 51.0 Yes

Compatibility notes

Firefox

  • 'disabledReason', 'offlineEnabled', 'type', and 'versionName' are not supported.

Firefox for Android

  • 'disabledReason', 'offlineEnabled', 'type', and 'versionName' are not supported.

Acknowledgements

This API is based on Chromium's chrome.management API. This documentation is derived from management.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.

Document Tags and Contributors

 Contributors to this page: wbamberg
 Last updated by: wbamberg,