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

Contains information about the Amazon Bedrock model used to interpret the prompt used in descriptive bot building.

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

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

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

```
{
  "[BedrockGuardrailConfiguration](#cfn-lex-bot-bedrockmodelspecification-bedrockguardrailconfiguration)" : BedrockGuardrailConfiguration,
  "[BedrockModelCustomPrompt](#cfn-lex-bot-bedrockmodelspecification-bedrockmodelcustomprompt)" : String,
  "[BedrockTraceStatus](#cfn-lex-bot-bedrockmodelspecification-bedrocktracestatus)" : String,
  "[ModelArn](#cfn-lex-bot-bedrockmodelspecification-modelarn)" : String
}
```

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

```
  [BedrockGuardrailConfiguration](#cfn-lex-bot-bedrockmodelspecification-bedrockguardrailconfiguration): 
    BedrockGuardrailConfiguration
  [BedrockModelCustomPrompt](#cfn-lex-bot-bedrockmodelspecification-bedrockmodelcustomprompt): String
  [BedrockTraceStatus](#cfn-lex-bot-bedrockmodelspecification-bedrocktracestatus): String
  [ModelArn](#cfn-lex-bot-bedrockmodelspecification-modelarn): String
```

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

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

`BedrockModelCustomPrompt`  <a name="cfn-lex-bot-bedrockmodelspecification-bedrockmodelcustomprompt"></a>
Property description not available.  
*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)

`BedrockTraceStatus`  <a name="cfn-lex-bot-bedrockmodelspecification-bedrocktracestatus"></a>
Property description not available.  
*Required*: No  
*Type*: String  
*Allowed values*: `ENABLED | DISABLED`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`ModelArn`  <a name="cfn-lex-bot-bedrockmodelspecification-modelarn"></a>
The ARN of the foundation model used in descriptive bot building.  
*Required*: Yes  
*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)