# DatasetSource
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 Specifies a dataset source for a channel. 

## Contents
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 ** DatasetArn **   <a name="sagemaker-Type-DatasetSource-DatasetArn"></a>
 The Amazon Resource Name (ARN) of the dataset resource.   
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 2048.  
Pattern: `(arn:[a-z0-9-\.]{1,63}:sagemaker:\w+(?:-\w+)+:(\d{12}|aws):hub-content\/)[a-zA-Z0-9](-*[a-zA-Z0-9]){0,62}\/DataSet\/[a-zA-Z0-9](-*[a-zA-Z0-9]){0,63}(\/\d{1,4}.\d{1,4}.\d{1,4})?`   
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/DatasetSource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/DatasetSource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/DatasetSource)