schema.json

{
  "name": "Accordion",
  "modifiers": ["keep-open"],
  "components": [
    {
      "name": "panel",
      "modifiers": ["active"]
    },
    {
      "name": "heading",
      "states": ["hover"],
      "events": ["click"]
    },
    {
      "name": "content"
    }
  ]
}