# DeleteGlobalTableWitnessGroupMemberAction
<a name="API_DeleteGlobalTableWitnessGroupMemberAction"></a>

Specifies the action to remove a witness Region from a MRSC global table. You cannot delete a single witness from a MRSC global table - you must delete both a replica and the witness together. The deletion of both a witness and replica converts the remaining replica to a single-Region DynamoDB table. 

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

 ** RegionName **   <a name="DDB-Type-DeleteGlobalTableWitnessGroupMemberAction-RegionName"></a>
The witness Region name to be removed from the MRSC global table.  
Type: String  
Required: Yes

## 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\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/dynamodb-2012-08-10/DeleteGlobalTableWitnessGroupMemberAction) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/dynamodb-2012-08-10/DeleteGlobalTableWitnessGroupMemberAction) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/dynamodb-2012-08-10/DeleteGlobalTableWitnessGroupMemberAction)