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# AWS::DLM::LifecyclePolicy ArchiveRetainRule
<a name="aws-properties-dlm-lifecyclepolicy-archiveretainrule"></a>

**[Custom snapshot policies only]** Specifies information about the archive storage tier retention period.

## Syntax
<a name="aws-properties-dlm-lifecyclepolicy-archiveretainrule-syntax"></a>

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

### JSON
<a name="aws-properties-dlm-lifecyclepolicy-archiveretainrule-syntax.json"></a>

```
{
  "[RetentionArchiveTier](#cfn-dlm-lifecyclepolicy-archiveretainrule-retentionarchivetier)" : {{RetentionArchiveTier}}
}
```

### YAML
<a name="aws-properties-dlm-lifecyclepolicy-archiveretainrule-syntax.yaml"></a>

```
  [RetentionArchiveTier](#cfn-dlm-lifecyclepolicy-archiveretainrule-retentionarchivetier): {{
    RetentionArchiveTier}}
```

## Properties
<a name="aws-properties-dlm-lifecyclepolicy-archiveretainrule-properties"></a>

`RetentionArchiveTier`  <a name="cfn-dlm-lifecyclepolicy-archiveretainrule-retentionarchivetier"></a>
Information about retention period in the Amazon EBS Snapshots Archive. For more information, see [Archive Amazon EBS snapshots](https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/snapshot-archive.html).  
*Required*: Yes  
*Type*: [RetentionArchiveTier](aws-properties-dlm-lifecyclepolicy-retentionarchivetier.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)