# RightExpression
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Right expression of the `eventMetadata`filter.

## Contents
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**Important**  
This data type is a UNION, so only one of the following members can be specified when used or returned.

 ** metadataValue **   <a name="BedrockAgentCore-Type-RightExpression-metadataValue"></a>
Value associated with the key in `eventMetadata`.  
Type: [MetadataValue](API_MetadataValue.md) object  
 **Note: **This object is a Union. Only one member of this object can be specified or returned.  
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\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/bedrock-agentcore-2024-02-28/RightExpression) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/bedrock-agentcore-2024-02-28/RightExpression) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/bedrock-agentcore-2024-02-28/RightExpression)