{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/DatetimeKeyExpression",
  "title": "DatetimeKeyExpression",
  "type": "object",
  "required": [
    "datetime_key"
  ],
  "properties": {
    "datetime_key": {
      "type": "string"
    }
  }
}