streamViewType

Indicates the format of the records within this stream:

• KEYS_ONLY - only the key attributes of items that were modified in the DynamoDB table.

• NEW_IMAGE - entire items from the table, as they appeared after they were modified.

• OLD_IMAGE - entire items from the table, as they appeared before they were modified.

• NEW_AND_OLD_IMAGES - both the new and the old images of the items from the table.