AWS SDK for .NET Documentation
IndexName Property
AmazonAmazon.DynamoDBv2.DataModelDynamoDBOperationConfigIndexName Did this page help you?   Yes   No    Tell us about it...
Property indicating the name of the index to query against. This value is optional if the index name can be inferred from the query call.
Declaration Syntax
C#
public string IndexName { get; set; }

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