> **Experimental**
>
> `@aws-cdk/aws-imagebuilder-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# LifecyclePolicyFilter

The resource filtering to apply in the lifecycle policy rule.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/lifecycle-policy.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0-alpha.0/packages/@aws-cdk/aws-imagebuilder-alpha/lib/lifecycle-policy.ts#L128)

## Example

```ts
const disabledPolicy = new imagebuilder.LifecyclePolicy(this, 'DisabledPolicy', {
  lifecyclePolicyName: 'my-disabled-policy',
  description: 'A lifecycle policy that is temporarily disabled',
  status: imagebuilder.LifecyclePolicyStatus.DISABLED,
  resourceType: imagebuilder.LifecyclePolicyResourceType.AMI_IMAGE,
  details: [
    {
      action: { type: imagebuilder.LifecyclePolicyActionType.DELETE },
      filter: { ageFilter: { age: Duration.days(30) } }
    }
  ],
  resourceSelection: {
    tags: { Environment: 'testing' }
  },
  tags: {
    Owner: 'DevOps',
    CostCenter: 'Engineering'
  }
});
```

## Properties

- `ageFilter`: [LifecyclePolicyAgeFilter](/cdk/api/v2/docs/@aws-cdk_aws-imagebuilder-alpha.LifecyclePolicyAgeFilter.html) — The resource age filter to apply in the lifecycle policy rule.

  **Default:** none if a count filter is provided. Otherwise, an age filter is required.

- `countFilter`: [LifecyclePolicyCountFilter](/cdk/api/v2/docs/@aws-cdk_aws-imagebuilder-alpha.LifecyclePolicyCountFilter.html) — The resource count filter to apply in the lifecycle policy rule.

  **Default:** none if an age filter is provided. Otherwise, a count filter is required.