20 Minute Timer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "20 Minute Timer",
  "short_name": "20 Minute Timer",
  "description": "20 Minute Timer is an alarm that fires after twenty minutes.",
  "version": "1.0.1",
  "author": "DMBFullstack",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "20 Minute Timer"
  },
  "permissions": [
    "notifications",
    "alarms",
    "storage"
  ],
  "web_accessible_resources": [
    "icon.png"
  ],
  "background": {
    "page": "eventPage.html",
    "persistent": false
  },
  "icons": {
    "16": "icon.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}