# ResizeClusterMessage
<a name="API_ResizeClusterMessage"></a>

Describes a resize cluster operation. For example, a scheduled action to run the `ResizeCluster` API operation. 

## Contents
<a name="API_ResizeClusterMessage_Contents"></a>

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

 ** ClusterIdentifier **   
The unique identifier for the cluster to resize.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: Yes

 ** Classic **   
A boolean value indicating whether the resize operation is using the classic resize process. If you don't provide this parameter or set the value to `false`, the resize type is elastic.   
Type: Boolean  
Required: No

 ** ClusterType **   
The new cluster type for the specified cluster.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** NodeType **   
The new node type for the nodes you are adding. If not specified, the cluster's current node type is used.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** NumberOfNodes **   
The new number of nodes for the cluster. If not specified, the cluster's current number of nodes is used.  
Type: Integer  
Required: No

 ** ReservedNodeId **   
The identifier of the reserved node.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** TargetReservedNodeOfferingId **   
The identifier of the target reserved node offering.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
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/redshift-2012-12-01/ResizeClusterMessage) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/redshift-2012-12-01/ResizeClusterMessage) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/redshift-2012-12-01/ResizeClusterMessage)