# HarnessHookTarget
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The target that receives lifecycle hook events. Specify one target type.

## 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.

 ** eventBridge **   <a name="bedrockagentcorecontrol-Type-HarnessHookTarget-eventBridge"></a>
An Amazon EventBridge hook target that sends the hook event without waiting for a response.  
Type: [HarnessHookEventBridgeTarget](API_HarnessHookEventBridgeTarget.md) object  
Required: No

 ** lambda **   <a name="bedrockagentcorecontrol-Type-HarnessHookTarget-lambda"></a>
A Lambda hook target that invokes an Amazon Lambda function synchronously and waits for its response.  
Type: [HarnessHookLambdaTarget](API_HarnessHookLambdaTarget.md) object  
Required: No

 ** sns **   <a name="bedrockagentcorecontrol-Type-HarnessHookTarget-sns"></a>
An Amazon SNS hook target that publishes the hook event without waiting for a response.  
Type: [HarnessHookSnsTarget](API_HarnessHookSnsTarget.md) object  
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-control-2023-06-05/HarnessHookTarget) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/bedrock-agentcore-control-2023-06-05/HarnessHookTarget) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/bedrock-agentcore-control-2023-06-05/HarnessHookTarget)