AWS SDK for .NET Documentation
Attributes Property
AmazonAmazon.DynamoDB.ModelDeleteItemResultAttributes Did this page help you?   Yes   No    Tell us about it...
If the ReturnValues parameter is provided as ALL_OLD in the request, Amazon DynamoDB returns an array of attribute name-value pairs (essentially, the deleted item). Otherwise, the response contains an empty set.
Declaration Syntax
C#
public Dictionary<string, AttributeValue> Attributes { get; set; }

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