**To decrease data stream retention period** The following ``decrease-stream-retention-period`` example decreases the retention period (the length of time data records are accessible after they are added to the stream) of a stream named samplestream to 48 hours. :: aws kinesis decrease-stream-retention-period \ --stream-name samplestream \ --retention-period-hours 48 This command produces no output. For more information, see `Changing the Data Retention Period <https://docs.aws.amazon.com/streams/latest/dev/kinesis-extended-retention.html>`__ in the *Amazon Kinesis Data Streams Developer Guide*.