{
  "semantics": [
    {
      "label": "List of Column Content",
      "entity": "content",
      "field": {
        "fields": [
          {
            "label": "Content"
          },
          {
            "label": "Separate content with a horizontal ruler",
            "options": [
              {
                "label": "Automatic (default)"
              },
              {
                "label": "Never use ruler above"
              },
              {
                "label": "Always use ruler above"
              }
            ]
          }
        ]
      }
    }
  ]
}