# NativeIndexConfiguration
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Configuration information for an Amazon Q Business index.

## Contents
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 ** indexId **   <a name="qbusiness-Type-NativeIndexConfiguration-indexId"></a>
The identifier for the Amazon Q Business index.  
Type: String  
Length Constraints: Fixed length of 36.  
Pattern: `[a-zA-Z0-9][a-zA-Z0-9-]{35}`   
Required: Yes

 ** boostingOverride **   <a name="qbusiness-Type-NativeIndexConfiguration-boostingOverride"></a>
Overrides the default boosts applied by Amazon Q Business to supported document attribute data types.  
Type: String to [DocumentAttributeBoostingConfiguration](API_DocumentAttributeBoostingConfiguration.md) object map  
Map Entries: Maximum number of items.  
Key Length Constraints: Minimum length of 1. Maximum length of 200.  
Key Pattern: `[a-zA-Z0-9_][a-zA-Z0-9_-]*`   
Required: No

 ** version **   <a name="qbusiness-Type-NativeIndexConfiguration-version"></a>
A read-only field that specifies the version of the `NativeIndexConfiguration`.  
Amazon Q Business introduces enhanced document retrieval capabilities in version 2 of `NativeIndexConfiguration`, focusing on streamlined metadata boosting that prioritizes recency and source relevance to deliver more accurate responses to your queries. Version 2 has the following differences from version 1:  
+ Version 2 supports a single Date field (created\$1at OR last\$1updated\$1at) for recency boosting
+ Version 2 supports a single String field with an ordered list of up to 5 values
+ Version 2 introduces number-based boost levels (ONE, TWO) alongside the text-based levels
+ Version 2 allows specifying prioritization between Date and String fields
+ Version 2 maintains backward compatibility with existing configurations
Type: Long  
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/NativeIndexConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/qbusiness-2023-11-27/NativeIndexConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/qbusiness-2023-11-27/NativeIndexConfiguration)