# LabelingJobSnsDataSource
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An Amazon SNS data source used for streaming labeling jobs.

## Contents
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 ** SnsTopicArn **   <a name="sagemaker-Type-LabelingJobSnsDataSource-SnsTopicArn"></a>
The Amazon SNS input topic Amazon Resource Name (ARN). Specify the ARN of the input topic you will use to send new data objects to a streaming labeling job.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 2048.  
Pattern: `arn:aws[a-z\-]*:sns:[a-z0-9\-]*:[0-9]{12}:[a-zA-Z0-9_.-]+`   
Required: Yes

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/sagemaker-2017-07-24/LabelingJobSnsDataSource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/LabelingJobSnsDataSource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/LabelingJobSnsDataSource)