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# AWS::Synthetics::Canary ArtifactConfig
<a name="aws-properties-synthetics-canary-artifactconfig"></a>

A structure that contains the configuration for canary artifacts, including the encryption-at-rest settings for artifacts that the canary uploads to Amazon S3. 

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

### JSON
<a name="aws-properties-synthetics-canary-artifactconfig-syntax.json"></a>

```
{
  "[S3Encryption](#cfn-synthetics-canary-artifactconfig-s3encryption)" : S3Encryption
}
```

### YAML
<a name="aws-properties-synthetics-canary-artifactconfig-syntax.yaml"></a>

```
  [S3Encryption](#cfn-synthetics-canary-artifactconfig-s3encryption): 
    S3Encryption
```

## Properties
<a name="aws-properties-synthetics-canary-artifactconfig-properties"></a>

`S3Encryption`  <a name="cfn-synthetics-canary-artifactconfig-s3encryption"></a>
A structure that contains the configuration of the encryption-at-rest settings for artifacts that the canary uploads to Amazon S3. Artifact encryption functionality is available only for canaries that use Synthetics runtime version syn-nodejs-puppeteer-3.3 or later. For more information, see [Encrypting canary artifacts](https://docs.amazonaws.cn/AmazonCloudWatch/latest/monitoring/CloudWatch_Synthetics_artifact_encryption.html).  
*Required*: No  
*Type*: [S3Encryption](aws-properties-synthetics-canary-s3encryption.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)