# asExisting

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

Marks the resource as an existing resource in both run and publish modes.

## Definition

```typescript
interface AzureBicepResource {
  // ... omitted for brevity
  asExisting(
    name: ParameterResource,
    resourceGroup?: ParameterResource): IAzureResource
}
```

## Parameters

- `name` (`ParameterResource`)
- `resourceGroup` (`ParameterResource`) `optional`

## Returns

[IAzureResource](/reference/api/typescript/aspire.hosting.azure/iazureresource.md) `builder`

## Applies to

- [AzureBicepResource](/reference/api/typescript/aspire.hosting.azure/azurebicepresource.md)
- [AzureProvisioningResource](/reference/api/typescript/aspire.hosting.azure/azureprovisioningresource.md)
- [AzureUserAssignedIdentityResource](/reference/api/typescript/aspire.hosting.azure/azureuserassignedidentityresource.md)