{ "manifest_version": 2, "name": "Com Msgneed App", "version": "1.0", "description": "A Chrome app for com.msgneed", "icons": { "16": "icon16.png", "48": "icon48.png", "128": "icon128.png" }, "background": { "scripts": ["background.js"], "persistent": false }, "browser_action": { "default_icon": "icon48.png", "default_popup": "popup.html" }, "permissions": ["activeTab"] } The background script runs in the background whenever your app is loaded. It can handle long-running tasks and provides a way to interact with web pages.