This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::Lex::Bot S3BucketLogDestination
<a name="aws-properties-lex-bot-s3bucketlogdestination"></a>

Specifies an Amazon S3 bucket for logging audio conversations

## Syntax
<a name="aws-properties-lex-bot-s3bucketlogdestination-syntax"></a>

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

### JSON
<a name="aws-properties-lex-bot-s3bucketlogdestination-syntax.json"></a>

```
{
  "[KmsKeyArn](#cfn-lex-bot-s3bucketlogdestination-kmskeyarn)" : String,
  "[LogPrefix](#cfn-lex-bot-s3bucketlogdestination-logprefix)" : String,
  "[S3BucketArn](#cfn-lex-bot-s3bucketlogdestination-s3bucketarn)" : String
}
```

### YAML
<a name="aws-properties-lex-bot-s3bucketlogdestination-syntax.yaml"></a>

```
  [KmsKeyArn](#cfn-lex-bot-s3bucketlogdestination-kmskeyarn): String
  [LogPrefix](#cfn-lex-bot-s3bucketlogdestination-logprefix): String
  [S3BucketArn](#cfn-lex-bot-s3bucketlogdestination-s3bucketarn): String
```

## Properties
<a name="aws-properties-lex-bot-s3bucketlogdestination-properties"></a>

`KmsKeyArn`  <a name="cfn-lex-bot-s3bucketlogdestination-kmskeyarn"></a>
The Amazon Resource Name (ARN) of an Amazon Key Management Service (KMS) key for encrypting audio log files stored in an Amazon S3 bucket.  
*Required*: No  
*Type*: String  
*Pattern*: `^arn:[\w\-]+:kms:[\w\-]+:[\d]{12}:(?:key\/[\w\-]+|alias\/[a-zA-Z0-9:\/_\-]{1,256})$`  
*Minimum*: `20`  
*Maximum*: `2048`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`LogPrefix`  <a name="cfn-lex-bot-s3bucketlogdestination-logprefix"></a>
The S3 prefix to assign to audio log files.  
*Required*: Yes  
*Type*: String  
*Minimum*: `0`  
*Maximum*: `1024`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`S3BucketArn`  <a name="cfn-lex-bot-s3bucketlogdestination-s3bucketarn"></a>
The Amazon Resource Name (ARN) of an Amazon S3 bucket where audio log files are stored.  
*Required*: Yes  
*Type*: String  
*Pattern*: `^arn:[\w\-]+:s3:::[a-z0-9][\.\-a-z0-9]{1,61}[a-z0-9]$`  
*Minimum*: `1`  
*Maximum*: `2048`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)