# RetrieverConfiguration
<a name="API_RetrieverConfiguration"></a>

Provides information on how the retriever used for your Amazon Q Business application is configured.

## Contents
<a name="API_RetrieverConfiguration_Contents"></a>

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

 ** kendraIndexConfiguration **   <a name="qbusiness-Type-RetrieverConfiguration-kendraIndexConfiguration"></a>
Provides information on how the Amazon Kendra index used as a retriever for your Amazon Q Business application is configured.  
Type: [KendraIndexConfiguration](API_KendraIndexConfiguration.md) object  
Required: No

 ** nativeIndexConfiguration **   <a name="qbusiness-Type-RetrieverConfiguration-nativeIndexConfiguration"></a>
Provides information on how a Amazon Q Business index used as a retriever for your Amazon Q Business application is configured.  
Type: [NativeIndexConfiguration](API_NativeIndexConfiguration.md) object  
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/qbusiness-2023-11-27/RetrieverConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/qbusiness-2023-11-27/RetrieverConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/qbusiness-2023-11-27/RetrieverConfiguration)