-- | A string that identifies one or more attributes to retrieve from the table.
-- These attributes can include scalars, sets, or elements of a JSON document.
-- The attributes in the expression must be separated by commas.
--
-- If no attribute names are specified, then all attributes will be returned.
-- If any of the requested attributes are not found, they will not appear in the
-- result.
--
-- For more information, go to <http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Expressions.AccessingItemAttributes.html Accessing Item Attributes> in the /Amazon DynamoDBDeveloper Guide/.
giProjectionExpression :: Lens' GetItem (Maybe Text)
giProjectionExpression =
    lens _giProjectionExpression (\s a -> s { _giProjectionExpression = a })
giProjectionExpression :: Lens' GetItem (Maybe Text)
giProjectionExpression =
    lens _giProjectionExpression (\s a -> s { _giProjectionExpression = a })
giProjectionExpression =
    lens _giProjectionExpression (\s a -> s { _giProjectionExpression = a })