# ReshardingConfiguration
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A list of `PreferredAvailabilityZones` objects that specifies the configuration of a node group in the resharded cluster.

## Contents
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**Note**  
In the following list, the required parameters are described first.

 ** NodeGroupId **   
Either the ElastiCache supplied 4-digit id or a user supplied id for the node group these configuration values apply to.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 4.  
Pattern: `\d+`   
Required: No

 ** PreferredAvailabilityZones.AvailabilityZone.N **   
A list of preferred availability zones for the nodes in this cluster.  
Type: Array of strings  
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/elasticache-2015-02-02/ReshardingConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/elasticache-2015-02-02/ReshardingConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/elasticache-2015-02-02/ReshardingConfiguration)