Messenger Message Sender

manifest.json

{
  "name": "Messenger Message Sender",
  "description": "Send bulk FB messages at once - Reviewed in Jan. 2021",
  "version": "2.1.0",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "https://mbasic.facebook.com/*"
      ],
      "js": [
        "js/constants.min.js",
        "js/content.min.js"
      ]
    },
    {
      "all_frames": true,
      "js": [
        "js/inject_end.js"
      ],
      "matches": [
        "https://mbasic.facebook.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "background.js",
      "js/constants.min.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/128.png",
    "default_title": "Send bulk Messages to your Facebook friends",
    "default_popup": "screens/popup.html"
  },
  "icons": {
    "16": "icons/16.png",
    "128": "icons/128.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "https://www.fbmessagecleaner.com/*",
    "https://mbasic.facebook.com/*"
  ],
  "update_url": "https://clients2.google.com/service/update2/crx",
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'"
}