spring-boot-kafka-avro/src/main/resources/avro/employee.avsc

{
  "type": "record",
  "name": "Employee",
  "namespace": "com.example.kafkatutorials",
  "fields": [
    {
      "name": "firstName",
      "type": "string"
    },
    {
      "name": "lastName",
      "type": "string"
    },
    {
      "name": "birthDate",
      "type": "long"
    }
  ]
}