Examine source code of Chillstep 24 Permalink

{
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/user/MixHound/videos?click=24"
      ],
      "js": [
        "click.js"
      ]
    }
  ],
  "manifest_version": 2,
  "name": "Chillstep 24",
  "permissions": [
    "https://www.youtube.com/user/MixHound/videos?click=24"
  ],
  "version": "4"
}