AWS SDK for .NET Documentation
RequestItems Property
AmazonAmazon.DynamoDBv2.ModelBatchGetItemRequestRequestItems Did this page help you?   Yes   No    Tell us about it...
A map of one or more table names and, for each table, the corresponding primary keys for the items to retrieve. Each table name can be invoked only once. Each element in the map consists of the following:

Constraints:

Length
1 - 100

Declaration Syntax
C#
public Dictionary<string, KeysAndAttributes> RequestItems { get; set; }

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