# IResource.withUrls

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Defined on: [IResource](/reference/api/typescript/aspire.hosting/iresource.md)
- Version: `13.4.0`
- Kind: `method`

Registers a callback to customize the URLs displayed for the resource.

## Definition

```typescript
interface IResource {
  // ... omitted for brevity
  withUrls(callback: (obj: ResourceUrlsCallbackContext) => Promise<void>): IResource;
}
```

## Signature

```typescript
withUrls(callback: (obj: ResourceUrlsCallbackContext) => Promise<void>): IResource
```

## Parameters

- `callback` (`(obj: ResourceUrlsCallbackContext) => Promise<void>`)

## Returns

[IResource](/reference/api/typescript/aspire.hosting/iresource.md) `builder`

## Defined on

- [IResource](/reference/api/typescript/aspire.hosting/iresource.md) -- `interface`