# AwsRdsDbClusterMember
<a name="API_AwsRdsDbClusterMember"></a>

Information about an instance in the DB cluster.

## Contents
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 ** DbClusterParameterGroupStatus **   <a name="securityhub-Type-AwsRdsDbClusterMember-DbClusterParameterGroupStatus"></a>
The status of the DB cluster parameter group for this member of the DB cluster.  
Type: String  
Pattern: `.*\S.*`   
Required: No

 ** DbInstanceIdentifier **   <a name="securityhub-Type-AwsRdsDbClusterMember-DbInstanceIdentifier"></a>
The instance identifier for this member of the DB cluster.  
Type: String  
Pattern: `.*\S.*`   
Required: No

 ** IsClusterWriter **   <a name="securityhub-Type-AwsRdsDbClusterMember-IsClusterWriter"></a>
Whether the cluster member is the primary instance for the DB cluster.  
Type: Boolean  
Required: No

 ** PromotionTier **   <a name="securityhub-Type-AwsRdsDbClusterMember-PromotionTier"></a>
Specifies the order in which an Aurora replica is promoted to the primary instance when the existing primary instance fails.  
Type: Integer  
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/securityhub-2018-10-26/AwsRdsDbClusterMember) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/securityhub-2018-10-26/AwsRdsDbClusterMember) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/securityhub-2018-10-26/AwsRdsDbClusterMember)