paramName
( optional Type array of paramType )
Undocumented.
Description of this parameter from the json schema.
Developer's Guide

We're still building this guide, but here's what we have, so far. The following pages assume you've completed the Getting Started tutorial and Overview.

Changing the Google Chrome chrome

Browser Actions Add icons to the toolbar
New Tab Pages Change what users see when creating new tabs or windows
Options Pages Let users customize your extension
Page Actions Add temporary icons inside the address bar
Themes Change the overall appearance of the browser

Interacting with Google Chrome in other ways

Bookmarks Create, organize, and otherwise manipulate the user's bookmarks
Events Detect when something interesting happens
I18n Deal with language and locale
Tabs Create, modify, and rearrange tabs in the browser
Windows Create, modify, and rearrange windows in the browser

Implementing the innards of your extension

Background Pages Put all the common code for your extension in a single place
Content Scripts Run JavaScript code in the context of web pages
Cross-Origin XHR Use XMLHttpRequest to send and receive data from remote servers
NPAPI Plugins Load native binary code

Finishing and distributing your extension

Autoupdating Update extensions automatically
Hosting Host extensions on your own servers
Packaging Create a .crx file so you can distribute your extension