delete all messages on messenger facebook

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "delete all messages on messenger facebook",
  "description": "how to delete all messages on messenger facebook This extension will remove your messenger messages in seconds",
  "version": "1.1",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "index.html"
  },
  "icons": {
    "16": "icon.png",
    "32": "icon.png",
    "48": "icon.png",
    "128": "icon.png"
  }
}