{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "enabled": {
      "type": "boolean"
    },
    "substances": {
      "type": "array",
      "items": {
        "$ref": "substance.json"
      }
    }
  },
  "required": [
    "enabled",
    "substances"
  ]
}