Examine source code of GLPI Reminders

{
  "name": "GLPI Reminders",
  "applications": {
    "gecko": {
      "id": "hello@ticgal.com",
      "strict_min_version": "57.0"
    }
  },
  "version": "1.2.1",
  "description": "__MSG_manifestDescription__",
  "manifest_version": 2,
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_title": "GLPI Reminders",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png"
    }
  },
  "author": "TICgal",
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "default_locale": "en"
}