Retrieves the stream records from a given shard.
See https://www.paws-r-sdk.com/docs/dynamodbstreams_get_records/ for full documentation.
dynamodbstreams_get_records(ShardIterator, Limit = NULL)
[required] A shard iterator that was retrieved from a previous GetShardIterator operation. This iterator can be used to access the stream records in this shard.
The maximum number of records to return from the shard. The upper limit is 1000.