pika-welcome/data/config/look_and_feel.json

{
  "look_and_feel": [
    {
      "id": 0,
      "title": "open-pling-title",
      "subtitle": "open-pling-subtitle",
      "icon": "pika-emblem-downloads",
      "button": "launch-label",
      "onlyin": "",
      "command": "xdg-open https://pling.com/"
    },
    {
      "id": 1,
      "title": "open-pika-gnome-layouts-title",
      "subtitle": "open-pika-gnome-layouts-subtitle",
      "icon": "pika-desktop",
      "button": "launch-label",
      "onlyin": "gnome",
      "command": "/usr/bin/pika-gnome-layouts &"
    },
    {
      "id": 2,
      "title": "open-gnome-tweaks-title",
      "subtitle": "open-gnome-tweaks-subtitle",
      "icon": "pika-applications-graphics",
      "button": "launch-label",
      "onlyin": "gnome",
      "command": "/usr/bin/gnome-tweaks"
    },
    {
      "id": 3,
      "title": "open-gnome-extensions-title",
      "subtitle": "open-gnome-extensions-subtitle",
      "icon": "pika-application-x-addon",
      "button": "launch-label",
      "onlyin": "gnome",
      "command": "/usr/bin/extension-manager"
    }
  ]
}