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