Amazon DynamoDB - Amazon Kinesis Data Streams
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Amazon DynamoDB

You can use Amazon Kinesis Data Streams to capture changes to Amazon DynamoDB. Kinesis Data Streams captures item-level modifications in any DynamoDB table and replicates them to a Kinesis Data Stream. Your consumer applications can access this stream to view item-level changes in real time and deliver those changes downstream or take action based on the content.

For more information, see how Kinesis Data Streams work with DynamoDB in the Amazon DynamoDB Developer Guide.