AWS SDK for .NET Documentation
Data Property
AmazonAmazon.Kinesis.ModelRecordData Did this page help you?   Yes   No    Tell us about it...
The data blob. The data in the blob is both opaque and immutable to the Amazon Kinesis service, which does not inspect, interpret, or change the data in the blob in any way. The maximum size of the data blob (the payload after Base64-decoding) is 50 kilobytes (KB)

Constraints:

Length
0 - 51200

Declaration Syntax
C#
public MemoryStream Data { get; set; }

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)