# withPurgeTask

- Module: [Aspire.Hosting.Azure.ContainerRegistry](/reference/api/typescript/aspire.hosting.azure.containerregistry.md)
- Version: `13.4.0`
- Kind: `method`
- Source: [GitHub](https://github.com/microsoft/aspire)

Adds a scheduled ACR purge task to remove old or unused container images from the registry.

## Definition

```typescript
interface AzureContainerRegistryResource {
  // ... omitted for brevity
  withPurgeTask(
    schedule: string,
    filter?: string,
    ago?: timespan,
    keep?: number,
    taskName?: string): AzureContainerRegistryResource
}
```

## Parameters

- `schedule` (`string`)
- `filter` (`string`) `optional`
- `ago` (`timespan`) `optional`
- `keep` (`number`) `optional` `= 3`
- `taskName` (`string`) `optional`

## Returns

[AzureContainerRegistryResource](/reference/api/typescript/aspire.hosting.azure.containerregistry/azurecontainerregistryresource.md) `builder`

## Applies to

- [AzureContainerRegistryResource](/reference/api/typescript/aspire.hosting.azure.containerregistry/azurecontainerregistryresource.md)