AWS SDK for .NET Documentation
S Property
AmazonAmazon.DynamoDB.ModelAttributeValueS Did this page help you?   Yes   No    Tell us about it...
Strings are Unicode with UTF-8 binary encoding. The maximum size is limited by the size of the primary key (1024 bytes as a range part of a key or 2048 bytes as a single part hash key) or the item size (64k).
Declaration Syntax
C#
public string S { get; set; }

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