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# AWS::Lex::Bot BedrockKnowledgeStoreConfiguration
<a name="aws-properties-lex-bot-bedrockknowledgestoreconfiguration"></a>

Contains details about the configuration of a Amazon Bedrock knowledge base.

## Syntax
<a name="aws-properties-lex-bot-bedrockknowledgestoreconfiguration-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-lex-bot-bedrockknowledgestoreconfiguration-syntax.json"></a>

```
{
  "[BedrockKnowledgeBaseArn](#cfn-lex-bot-bedrockknowledgestoreconfiguration-bedrockknowledgebasearn)" : String,
  "[BKBExactResponseFields](#cfn-lex-bot-bedrockknowledgestoreconfiguration-bkbexactresponsefields)" : BKBExactResponseFields,
  "[ExactResponse](#cfn-lex-bot-bedrockknowledgestoreconfiguration-exactresponse)" : Boolean
}
```

### YAML
<a name="aws-properties-lex-bot-bedrockknowledgestoreconfiguration-syntax.yaml"></a>

```
  [BedrockKnowledgeBaseArn](#cfn-lex-bot-bedrockknowledgestoreconfiguration-bedrockknowledgebasearn): String
  [BKBExactResponseFields](#cfn-lex-bot-bedrockknowledgestoreconfiguration-bkbexactresponsefields): 
    BKBExactResponseFields
  [ExactResponse](#cfn-lex-bot-bedrockknowledgestoreconfiguration-exactresponse): Boolean
```

## Properties
<a name="aws-properties-lex-bot-bedrockknowledgestoreconfiguration-properties"></a>

`BedrockKnowledgeBaseArn`  <a name="cfn-lex-bot-bedrockknowledgestoreconfiguration-bedrockknowledgebasearn"></a>
The base ARN of the knowledge base used.  
*Required*: No  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `5000`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`BKBExactResponseFields`  <a name="cfn-lex-bot-bedrockknowledgestoreconfiguration-bkbexactresponsefields"></a>
Property description not available.  
*Required*: No  
*Type*: [BKBExactResponseFields](aws-properties-lex-bot-bkbexactresponsefields.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`ExactResponse`  <a name="cfn-lex-bot-bedrockknowledgestoreconfiguration-exactresponse"></a>
Specifies whether to return an exact response, or to return an answer generated by the model, using the fields you specify from the database.  
*Required*: No  
*Type*: Boolean  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)