AWSDynamoDBAttributeValue

Objective-C

@interface AWSDynamoDBAttributeValue

Swift

class AWSDynamoDBAttributeValue

Represents the data for an attribute.

Each attribute value is described as a name-value pair. The name is the data type, and the value is the data itself.

For more information, see Data Types in the Amazon DynamoDB Developer Guide.

  • B

    An attribute of type Binary. For example:

    "B": "dGhpcyB0ZXh0IGlzIGJhc2U2NC1lbmNvZGVk"

    Declaration

    Objective-C

    @property (nonatomic, strong) NSData *_Nullable B;

    Swift

    var b: Data? { get set }

  • An attribute of type Boolean. For example:

    "BOOL": true

    Declaration

    Objective-C

    @property (nonatomic, strong) NSNumber *_Nullable BOOLEAN;

    Swift

    var boolean: NSNumber? { get set }
  • BS

    An attribute of type Binary Set. For example:

    "BS": ["U3Vubnk=", "UmFpbnk=", "U25vd3k="]

    Declaration

    Objective-C

    @property (nonatomic, strong) NSArray<NSData *> *_Nullable BS;

    Swift

    var bs: [Data]? { get set }
  • L

    An attribute of type List. For example:

    "L": [ {"S": "Cookies"} , {"S": "Coffee"}, {"N": "3.14159"}]

    Declaration

    Objective-C

    @property (nonatomic, strong) NSArray<AWSDynamoDBAttributeValue *> *_Nullable L;

    Swift

    var l: [AWSDynamoDBAttributeValue]? { get set }
  • M

    An attribute of type Map. For example:

    "M": {"Name": {"S": "Joe"}, "Age": {"N": "35"}}

    Declaration

    Objective-C

    @property (nonatomic, strong) NSDictionary<NSString *, AWSDynamoDBAttributeValue *> *_Nullable M;

    Swift

    var m: [String : AWSDynamoDBAttributeValue]? { get set }
  • N

    An attribute of type Number. For example:

    "N": "123.45"

    Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.

    Declaration

    Objective-C

    @property (nonatomic, strong) NSString *_Nullable N;

    Swift

    var n: String? { get set }
  • NS

    An attribute of type Number Set. For example:

    "NS": ["42.2", "-19", "7.5", "3.14"]

    Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.

    Declaration

    Objective-C

    @property (nonatomic, strong) NSArray<NSString *> *_Nullable NS;

    Swift

    var ns: [String]? { get set }
  • NIL

    An attribute of type Null. For example:

    "NULL": true

    Declaration

    Objective-C

    @property (nonatomic, strong) NSNumber *_Nullable NIL;

    Swift

    var `nil`: NSNumber? { get set }
  • S

    An attribute of type String. For example:

    "S": "Hello"

    Declaration

    Objective-C

    @property (nonatomic, strong) NSString *_Nullable S;

    Swift

    var s: String? { get set }
  • SS

    An attribute of type String Set. For example:

    "SS": ["Giraffe", "Hippo" ,"Zebra"]

    Declaration

    Objective-C

    @property (nonatomic, strong) NSArray<NSString *> *_Nullable SS;

    Swift

    var ss: [String]? { get set }