# KeyspaceSummary
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Represents the properties of a keyspace.

## Contents
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 ** keyspaceName **   <a name="keyspaces-Type-KeyspaceSummary-keyspaceName"></a>
The name of the keyspace.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 48.  
Pattern: `[a-zA-Z0-9][a-zA-Z0-9_]{0,47}`   
Required: Yes

 ** replicationStrategy **   <a name="keyspaces-Type-KeyspaceSummary-replicationStrategy"></a>
 This property specifies if a keyspace is a single Region keyspace or a multi-Region keyspace. The available values are `SINGLE_REGION` or `MULTI_REGION`.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 20.  
Valid Values: `SINGLE_REGION | MULTI_REGION`   
Required: Yes

 ** resourceArn **   <a name="keyspaces-Type-KeyspaceSummary-resourceArn"></a>
The unique identifier of the keyspace in the format of an Amazon Resource Name (ARN).  
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 1000.  
Pattern: `arn:(aws[a-zA-Z0-9-]*):cassandra:.+.*`   
Required: Yes

 ** replicationRegions **   <a name="keyspaces-Type-KeyspaceSummary-replicationRegions"></a>
 If the `replicationStrategy` of the keyspace is `MULTI_REGION`, a list of replication Regions is returned.   
Type: Array of strings  
Array Members: Minimum number of 2 items.  
Length Constraints: Minimum length of 2. Maximum length of 25.  
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/keyspaces-2022-02-10/KeyspaceSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/keyspaces-2022-02-10/KeyspaceSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/keyspaces-2022-02-10/KeyspaceSummary)