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 name, 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 add-on. This is used to distinguish extensions from apps and themes. It may take any of the following values:

• "extension": most common type of 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

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
ExtensionInfo	Yes	79	51	?	Yes	No	?	?	51	?	?	?
disabledReason	Yes	79	No	?	Yes	No	?	?	No	?	?	?
offlineEnabled	Yes	79	No	?	Yes	No	?	?	No	?	?	?
type	Yes	79	55	?	Yes	No	?	?	55	?	?	?
versionName	Yes	79	No	?	Yes	No	?	?	No	?	?	?