AWS SDK Version 2 for .NET
API Reference

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.NET Framework 4.5
Returns a list of the requester's topics. Each call returns a limited list of topics, up to 100. If there are more topics, a NextToken is also returned. Use the NextToken parameter in a new ListTopics call to get further results.

Namespace: Amazon.SimpleNotificationService
Assembly: AWSSDK.dll
Version: (assembly version)


public virtual ListTopicsResponse ListTopics(
         ListTopicsRequest request


Type: Amazon.SimpleNotificationService.Model.ListTopicsRequest

Container for the necessary parameters to execute the ListTopics service method.

Return Value
Type: Amazon.SimpleNotificationService.Model.ListTopicsResponse
The response from the ListTopics service method, as returned by SimpleNotificationService.


AuthorizationErrorException Indicates that the user has been denied access to the requested resource.
InternalErrorException Indicates an internal service error.
InvalidParameterException Indicates that a request parameter does not comply with the associated constraints.


This example shows how to list topics and their attributes.

List topics example

var snsClient = new AmazonSimpleNotificationServiceClient();
var request = new ListTopicsRequest();
var response = new ListTopicsResponse();

  response = snsClient.ListTopics(request);

  foreach (var topic in response.Topics)
    Console.WriteLine("Topic: {0}", topic.TopicArn);

    var attrs = snsClient.GetTopicAttributes(
      new GetTopicAttributesRequest
        TopicArn = topic.TopicArn

    if (attrs.Count > 0)
      foreach (var attr in attrs)
        Console.WriteLine(" -{0} : {1}", attr.Key, attr.Value);



  request.NextToken = response.NextToken;

} while (!string.IsNullOrEmpty(response.NextToken));

Version Information

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