# ReplicaGlobalSecondaryIndexDescription
<a name="API_ReplicaGlobalSecondaryIndexDescription"></a>

Represents the properties of a replica global secondary index.

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

 ** IndexName **   <a name="DDB-Type-ReplicaGlobalSecondaryIndexDescription-IndexName"></a>
The name of the global secondary index.  
Type: String  
Length Constraints: Minimum length of 3. Maximum length of 255.  
Pattern: `[a-zA-Z0-9_.-]+`   
Required: No

 ** OnDemandThroughputOverride **   <a name="DDB-Type-ReplicaGlobalSecondaryIndexDescription-OnDemandThroughputOverride"></a>
Overrides the maximum on-demand throughput for the specified global secondary index in the specified replica table.  
Type: [OnDemandThroughputOverride](API_OnDemandThroughputOverride.md) object  
Required: No

 ** ProvisionedThroughputOverride **   <a name="DDB-Type-ReplicaGlobalSecondaryIndexDescription-ProvisionedThroughputOverride"></a>
If not described, uses the source table GSI's read capacity settings.  
Type: [ProvisionedThroughputOverride](API_ProvisionedThroughputOverride.md) object  
Required: No

 ** WarmThroughput **   <a name="DDB-Type-ReplicaGlobalSecondaryIndexDescription-WarmThroughput"></a>
Represents the warm throughput of the global secondary index for this replica.  
Type: [GlobalSecondaryIndexWarmThroughputDescription](API_GlobalSecondaryIndexWarmThroughputDescription.md) object  
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/dynamodb-2012-08-10/ReplicaGlobalSecondaryIndexDescription) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/dynamodb-2012-08-10/ReplicaGlobalSecondaryIndexDescription) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/dynamodb-2012-08-10/ReplicaGlobalSecondaryIndexDescription)