AWS SDK Version 3 for .NET
API Reference

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Expected state of an attribute in DynamoDB. Exists cannot be set at the same time as Comparison and Values.

Inheritance Hierarchy


Namespace: Amazon.DynamoDBv2.DocumentModel
Assembly: AWSSDK.DynamoDBv2.dll
Version: 3.x.y.z


public class ExpectedValue

The ExpectedValue type exposes the following members


Public Method ExpectedValue(bool)

Constructs an ExpectedValue with a given Exists value.

Public Method ExpectedValue(ScanOperator, Primitive[])

Constructs an ExpectedValue with a given comparison and value(s).


Public Property Comparison Amazon.DynamoDBv2.DocumentModel.ScanOperator

Comparison operator for the expected value.

Public Property Exists System.Boolean

Flag whether the attribute should exist or not.

Public Property Values System.Collections.Generic.List<Amazon.DynamoDBv2.DocumentModel.Primitive>

Values to compare the attribute against.



Asynchronous operations (methods ending with Async) in the table below are for .NET 4.5 or higher. For .NET 3.5 the SDK follows the standard naming convention of BeginMethodName and EndMethodName to indicate asynchronous operations - these method pairs are not shown in the table below.

Public Method ToExpectedAttributeValue()

Converts this ExpectedValue instance to Amazon.DynamoDBv2.Model.ExpectedAttributeValue This call will use the conversion specified by AWSConfigs.DynamoDBConfig.ConversionSchema

Public Method ToExpectedAttributeValue(DynamoDBEntryConversion)

Converts this ExpectedValue instance to Amazon.DynamoDBv2.Model.ExpectedAttributeValue

Version Information

.NET Standard:
Supported in: 1.3

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

Supported Versions: 4.6 and above
Supported Platforms: Android, iOS, Standalone