books/schemas/meta/submittable.json

{
  "name": "submittable",
  "fields": [
    {
      "fieldname": "submitted",
      "label": "Submitted",
      "fieldtype": "Check",
      "required": true,
      "meta": true,
      "section": "System"
    },
    {
      "fieldname": "cancelled",
      "label": "Cancelled",
      "fieldtype": "Check",
      "required": true,
      "meta": true,
      "section": "System"
    }
  ]
}