{
  "namespace": "com.example.trade",
  "type": "record",
  "name": "Instrument",
  "doc": "Financial instrument information",
  "fields": [
    {
      "name": "symbol",
      "type": "string"
    },
    {
      "name": "name",
      "type": "string"
    },
    {
      "name": "type",
      "type": {
        "type": "enum",
        "name": "InstrumentType",
        "symbols": ["STOCK", "BOND", "OPTION", "FUTURE"]
      }
    }
  ]
}
