{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": true,
  "properties": {
    "_slug": { "description": "Entry identifier", "type": "string" },
    "internal": { "description": "Internal key", "type": "string" },
    "item": {
      "description": "List entries",
      "items": { "type": "string" },
      "type": "array"
    }
  },
  "required": ["_slug", "internal", "item"],
  "type": "object"
}