# DistributeDataset
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 A training dataset or a test dataset used in a dataset distribution operation. For more information, see [DistributeDatasetEntries](API_DistributeDatasetEntries.md). 

## Contents
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 ** Arn **   <a name="rekognition-Type-DistributeDataset-Arn"></a>
The Amazon Resource Name (ARN) of the dataset that you want to use.   
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 2048.  
Pattern: `(^arn:[a-z\d-]+:rekognition:[a-z\d-]+:\d{12}:project\/[a-zA-Z0-9_.\-]{1,255}\/dataset\/(train|test)\/[0-9]+$)`   
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/rekognition-2016-06-27/DistributeDataset) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/rekognition-2016-06-27/DistributeDataset) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/rekognition-2016-06-27/DistributeDataset)