OptionalconsistentOptionalexclusiveThe key of the first item to read
ExclusiveStartKey at https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_Query.html
OptionallimitMax number of items to read
OptionalscanWhether to return results in ascending order
ScanIndexForward at https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_Query.html
Determines the read consistency model: If set to true, then the operation uses strongly consistent reads; otherwise, the operation uses eventually consistent reads.