# NoncurrentVersionTransition
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The container for the noncurrent version transition.

## Contents
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 ** NoncurrentDays **   <a name="AmazonS3-Type-control_NoncurrentVersionTransition-NoncurrentDays"></a>
Specifies the number of days an object is noncurrent before Amazon S3 can perform the associated action. For information about the noncurrent days calculations, see [ How Amazon S3 Calculates How Long an Object Has Been Noncurrent](https://docs.aws.amazon.com/AmazonS3/latest/dev/intro-lifecycle-rules.html#non-current-days-calculations) in the *Amazon S3 User Guide*.  
Type: Integer  
Required: No

 ** StorageClass **   <a name="AmazonS3-Type-control_NoncurrentVersionTransition-StorageClass"></a>
The class of storage used to store the object.  
Type: String  
Valid Values: `GLACIER | STANDARD_IA | ONEZONE_IA | INTELLIGENT_TIERING | DEEP_ARCHIVE`   
Required: No

## 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/s3control-2018-08-20/NoncurrentVersionTransition) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3control-2018-08-20/NoncurrentVersionTransition) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/s3control-2018-08-20/NoncurrentVersionTransition)