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

**[Custom snapshot policies only]** Specifies a snapshot archiving rule for a schedule.

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

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

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

```
{
  "[RetainRule](#cfn-dlm-lifecyclepolicy-archiverule-retainrule)" : ArchiveRetainRule
}
```

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

```
  [RetainRule](#cfn-dlm-lifecyclepolicy-archiverule-retainrule): 
    ArchiveRetainRule
```

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

`RetainRule`  <a name="cfn-dlm-lifecyclepolicy-archiverule-retainrule"></a>
Information about the retention period for the snapshot archiving rule.  
*Required*: Yes  
*Type*: [ArchiveRetainRule](aws-properties-dlm-lifecyclepolicy-archiveretainrule.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)