public class Function
    {
        public KinesisAnalyticsInputPreprocessingResponse FunctionHandler(KinesisAnalyticsStreamsInputPreprocessingEvent evnt, ILambdaContext context)
        {
            context.Logger.LogLine($"InvocationId: {evnt.InvocationId}");
            context.Logger.LogLine($"StreamArn: {evnt.StreamArn}");
            context.Logger.LogLine($"ApplicationArn: {evnt.ApplicationArn}");

            var response = new KinesisAnalyticsInputPreprocessingResponse
            {
                Records = new List<KinesisAnalyticsInputPreprocessingResponse.Record>()
            };

            foreach (var record in evnt.Records)
            {
                context.Logger.LogLine($"\tRecordId: {record.RecordId}");
                context.Logger.LogLine($"\tShardId: {record.RecordMetadata.ShardId}");
                context.Logger.LogLine($"\tPartitionKey: {record.RecordMetadata.PartitionKey}");
                context.Logger.LogLine($"\tRecord ApproximateArrivalTime: {record.RecordMetadata.ApproximateArrivalTimestamp}");
                context.Logger.LogLine($"\tData: {record.DecodeData()}");

                // Add your record preprocessig logic here.

                var preprocessedRecord = new KinesisAnalyticsInputPreprocessingResponse.Record
                {
                    RecordId = record.RecordId,
                    Result = KinesisAnalyticsInputPreprocessingResponse.OK
                };
                preprocessedRecord.EncodeData(record.DecodeData().ToUpperInvariant());
                response.Records.Add(preprocessedRecord);
            }
            return response;
        }
    }

    public class Function
    {
        public KinesisAnalyticsOutputDeliveryResponse FunctionHandler(KinesisAnalyticsOutputDeliveryEvent evnt, ILambdaContext context)
        {
            context.Logger.LogLine($"InvocationId: {evnt.InvocationId}");
            context.Logger.LogLine($"ApplicationArn: {evnt.ApplicationArn}");

            var response = new KinesisAnalyticsOutputDeliveryResponse
            {
                Records = new List<KinesisAnalyticsOutputDeliveryResponse.Record>()
            };

            foreach (var record in evnt.Records)
            {
                context.Logger.LogLine($"\tRecordId: {record.RecordId}");
                context.Logger.LogLine($"\tRetryHint: {record.RecordMetadata.RetryHint}");
                context.Logger.LogLine($"\tData: {record.DecodeData()}");

                // Add logic here to send to the record to final destination of your choice.

                var deliveredRecord = new KinesisAnalyticsOutputDeliveryResponse.Record
                {
                    RecordId = record.RecordId,
                    Result = KinesisAnalyticsOutputDeliveryResponse.OK
                };
                response.Records.Add(deliveredRecord);
            }
            return response;
        }
    }