{
  "$id": "cast",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "required": [
    "character"
  ],
  "properties": {
    "character": {
      "type": "string"
    },
    "billing": {
      "type": "integer",
      "minimum": 1
    },
    "movie": {
      "type": "string",
      "x-relation": {
        "collection": "movies",
        "type": "single"
      }
    },
    "actor": {
      "type": "string",
      "x-relation": {
        "collection": "people",
        "type": "single"
      }
    }
  }
}