public static void SNSAddPermission() { #region SNSAddPermission var snsClient = new AmazonSimpleNotificationServiceClient(); var request = new AddPermissionRequest { TopicArn = "arn:aws:sns:us-east-1:80398EXAMPLE:CodingTestResults", ActionName = new List <string>() { "Subscribe" }, AWSAccountId = new List <string>() { "80398EXAMPLE" }, Label = "SubscribePolicy" }; snsClient.AddPermission(request); #endregion }