{
  "$defs": {
    "WithCustomFormat": {
      "additionalProperties": false,
      "properties": {
        "dates": {
          "items": {
            "format": "date",
            "type": "string"
          },
          "type": "array"
        },
        "odds": {
          "items": {
            "format": "odd",
            "type": "string"
          },
          "type": "array"
        }
      },
      "required": [
        "dates",
        "odds"
      ],
      "type": "object"
    }
  },
  "$id": "https://github.com/invopop/jsonschema/with-custom-format",
  "$ref": "#/$defs/WithCustomFormat",
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}