AWS SDK for .NET Documentation
RequestItems Property
AmazonAmazon.DynamoDB.ModelBatchWriteItemRequestRequestItems Did this page help you?   Yes   No    Tell us about it...
A map of table name to list-of-write-requests. Used as input to the BatchWriteItem API call

Constraints:

Length
1 - 25

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

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