using (var schemaRegistry = new CachedSchemaRegistryClient(new SchemaRegistryConfig { SchemaRegistryUrl = schemaRegistryUrl }))
  using (var consumer = new
                    ConsumerBuilder<string, GenericRecord>(new ConsumerConfig { BootstrapServers = bootstrapServers, GroupId = groupName })
                        .SetKeyDeserializer(new AsyncAvroDeserializer<string>(schemaRegistry).AsSyncOverAsync())
                        .SetValueDeserializer(new AsyncAvroDeserializer<GenericRecord>(schemaRegistry).AsSyncOverAsync())
                        .SetErrorHandler((_, e) => Console.WriteLine($"Error: {e.Reason}"))
                        .Build())
                {
                    consumer.Subscribe(topicName);

                    try
                    {
                        while (true)
                        {
                            try
                            {
                                var consumeResult = consumer.Consume();
                                Console.WriteLine($"Key: {consumeResult.Message.Key}nValue: {consumeResult.Value}");
                            Console.WriteLine(consumeResult.Value.Schema);
                            Console.WriteLine(consumeResult.Value.Schema["favorite_number"]);

                            }
                            catch (ConsumeException e)
                            {
                                Console.WriteLine($"Consume error: {e.Error.Reason}");
                            }
                        }
                    }
                    catch (OperationCanceledException)
                    {
                        // commit final offsets and leave the group.
                        consumer.Close();
                    }
                }

Console.WriteLine(consumeResult.Value.Schema);
                            Console.WriteLine(consumeResult.Value.Schema["favorite_number"]);