AWS SDK Version 3 for .NET
API Reference

AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.

Container for the parameters to the DeleteMessageBatch operation. Deletes up to ten messages from the specified queue. This is a batch version of DeleteMessage. The result of the action on each message is reported individually in the response.

Because the batch request can result in a combination of successful and unsuccessful actions, you should check for batch errors even when the call returns an HTTP status code of 200.

Inheritance Hierarchy

System.Object
  Amazon.Runtime.AmazonWebServiceRequest
    Amazon.SQS.AmazonSQSRequest
      Amazon.SQS.Model.DeleteMessageBatchRequest

Namespace: Amazon.SQS.Model
Assembly: AWSSDK.SQS.dll
Version: 3.x.y.z

Syntax

C#
public class DeleteMessageBatchRequest : AmazonSQSRequest
         IAmazonWebServiceRequest

The DeleteMessageBatchRequest type exposes the following members

Constructors

NameDescription
Public Method DeleteMessageBatchRequest()

Empty constructor used to set properties independently even when a simple constructor is available

Public Method DeleteMessageBatchRequest(string, List<DeleteMessageBatchRequestEntry>)

Instantiates DeleteMessageBatchRequest with the parameterized properties

Properties

NameTypeDescription
Public Property Entries System.Collections.Generic.List<Amazon.SQS.Model.DeleteMessageBatchRequestEntry>

Gets and sets the property Entries.

Lists the receipt handles for the messages to be deleted.

Public Property QueueUrl System.String

Gets and sets the property QueueUrl.

The URL of the Amazon SQS queue from which messages are deleted.

Queue URLs and names are case-sensitive.

Examples

This example shows how to delete messages in batch.

Batch delete messages example

var client = new AmazonSQSClient();

var request = new ReceiveMessageRequest
{
  AttributeNames = new List<string>() { "All" },
  MaxNumberOfMessages = 5,
  QueueUrl = "https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyTestQueue",
  VisibilityTimeout = (int)TimeSpan.FromMinutes(10).TotalSeconds,
  WaitTimeSeconds = (int)TimeSpan.FromSeconds(5).TotalSeconds
};

var response = client.ReceiveMessage(request);
var batchEntries = new List<DeleteMessageBatchRequestEntry>();

if (response.Messages.Count > 0)
{
  foreach (var message in response.Messages)
  {
    var batchEntry = new DeleteMessageBatchRequestEntry
    {
      Id = message.MessageId,
      ReceiptHandle = message.ReceiptHandle
    };

    batchEntries.Add(batchEntry);
  }

  var delRequest = new DeleteMessageBatchRequest
  {
    Entries = batchEntries,
    QueueUrl = "https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyTestQueue"
  };

  var delResponse = client.DeleteMessageBatch(delRequest);

  if (delResponse.Failed.Count > 0)
  {
    Console.WriteLine("Failed deletions:");

    foreach (var failure in delResponse.Failed)
    {
      Console.WriteLine("  For ID '" + failure.Id + "': ");
      Console.WriteLine("    Code = " + failure.Code);
      Console.WriteLine("    Message = " + failure.Message);
      Console.WriteLine("    Sender's fault? = " + failure.SenderFault);
    }
  }

  if (delResponse.Successful.Count > 0)
  {
    Console.WriteLine("Successful deletions:");

    foreach (var success in delResponse.Successful)
    {
      Console.WriteLine("  ID '" + success.Id + "'");
    }
  }
}
else
{
  Console.WriteLine("No messages to delete.");
}
      

Version Information

.NET Core App:
Supported in: 3.1

.NET Standard:
Supported in: 2.0

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