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.

Finds an existing Amazon SNS topic by iterating all SNS topics until a match is found asynchronously.

The ListTopics method is used to fetch upto 100 SNS topics at a time until a SNS topic with an TopicArn that matches topicName is found.


This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginFindTopic and EndFindTopic.

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


public virtual Task<Topic> FindTopicAsync(
         String topicName
Type: System.String

The name of the topic find

Return Value
Type: Task<Topic>
A Task containing the matched SNS topic.

Version Information

.NET Standard:
Supported in: 1.3

.NET Framework:
Supported in: 4.5

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