# KnowledgeBaseConfiguration
<a name="API_agent-runtime_KnowledgeBaseConfiguration"></a>

Configurations to apply to a knowledge base attached to the agent during query. For more information, see [Knowledge base retrieval configurations](https://docs.aws.amazon.com/bedrock/latest/userguide/agents-session-state.html#session-state-kb).

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

 ** knowledgeBaseId **   <a name="bedrock-Type-agent-runtime_KnowledgeBaseConfiguration-knowledgeBaseId"></a>
The unique identifier for a knowledge base attached to the agent.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 10.  
Pattern: `[0-9a-zA-Z]+`   
Required: Yes

 ** retrievalConfiguration **   <a name="bedrock-Type-agent-runtime_KnowledgeBaseConfiguration-retrievalConfiguration"></a>
The configurations to apply to the knowledge base during query. For more information, see [Query configurations](https://docs.aws.amazon.com/bedrock/latest/userguide/kb-test-config.html).  
Type: [KnowledgeBaseRetrievalConfiguration](API_agent-runtime_KnowledgeBaseRetrievalConfiguration.md) object  
Required: Yes

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

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/bedrock-agent-runtime-2023-07-26/KnowledgeBaseConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-agent-runtime-2023-07-26/KnowledgeBaseConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-agent-runtime-2023-07-26/KnowledgeBaseConfiguration)