# ManagedSearchBedrockRerankingModelConfiguration
<a name="API_agent-runtime_ManagedSearchBedrockRerankingModelConfiguration"></a>

Model configuration for a Bedrock reranking model used in managed search.

## Contents
<a name="API_agent-runtime_ManagedSearchBedrockRerankingModelConfiguration_Contents"></a>

 ** modelArn **   <a name="bedrock-Type-agent-runtime_ManagedSearchBedrockRerankingModelConfiguration-modelArn"></a>
The ARN of the Bedrock reranking model.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Pattern: `(arn:aws(-[^:]+)?:bedrock:[a-z0-9-]{1,20}::foundation-model/(.*))?`   
Required: Yes

 ** additionalModelRequestFields **   <a name="bedrock-Type-agent-runtime_ManagedSearchBedrockRerankingModelConfiguration-additionalModelRequestFields"></a>
Additional request fields to pass to the reranking model.  
Type: String to JSON value map  
Key Length Constraints: Minimum length of 1. Maximum length of 100.  
Required: No

## See Also
<a name="API_agent-runtime_ManagedSearchBedrockRerankingModelConfiguration_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/bedrock-agent-runtime-2023-07-26/ManagedSearchBedrockRerankingModelConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-agent-runtime-2023-07-26/ManagedSearchBedrockRerankingModelConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-agent-runtime-2023-07-26/ManagedSearchBedrockRerankingModelConfiguration)