# UpdateReplicationGroupMemberAction
<a name="API_UpdateReplicationGroupMemberAction"></a>

Represents a replica to be modified.

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

 ** RegionName **   <a name="DDB-Type-UpdateReplicationGroupMemberAction-RegionName"></a>
The Region where the replica exists.  
Type: String  
Required: Yes

 ** GlobalSecondaryIndexes **   <a name="DDB-Type-UpdateReplicationGroupMemberAction-GlobalSecondaryIndexes"></a>
Replica-specific global secondary index settings.  
Type: Array of [ReplicaGlobalSecondaryIndex](API_ReplicaGlobalSecondaryIndex.md) objects  
Array Members: Minimum number of 1 item.  
Required: No

 ** KMSMasterKeyId **   <a name="DDB-Type-UpdateReplicationGroupMemberAction-KMSMasterKeyId"></a>
The Amazon KMS key of the replica that should be used for Amazon KMS encryption. To specify a key, use its key ID, Amazon Resource Name (ARN), alias name, or alias ARN. Note that you should only provide this parameter if the key is different from the default DynamoDB KMS key `alias/aws/dynamodb`.  
Type: String  
Required: No

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

 ** ProvisionedThroughputOverride **   <a name="DDB-Type-UpdateReplicationGroupMemberAction-ProvisionedThroughputOverride"></a>
Replica-specific provisioned throughput. If not specified, uses the source table's provisioned throughput settings.  
Type: [ProvisionedThroughputOverride](API_ProvisionedThroughputOverride.md) object  
Required: No

 ** TableClassOverride **   <a name="DDB-Type-UpdateReplicationGroupMemberAction-TableClassOverride"></a>
Replica-specific table class. If not specified, uses the source table's table class.  
Type: String  
Valid Values: `STANDARD | STANDARD_INFREQUENT_ACCESS`   
Required: No

## See Also
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For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/dynamodb-2012-08-10/UpdateReplicationGroupMemberAction) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/dynamodb-2012-08-10/UpdateReplicationGroupMemberAction) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/dynamodb-2012-08-10/UpdateReplicationGroupMemberAction)