# ConnectionStringRedirectAnnotation Properties

- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Type: [ConnectionStringRedirectAnnotation](/reference/api/csharp/aspire.hosting/connectionstringredirectannotation.md)
- Kind: `Properties`
- Members: `1`

Links to a resource that implements [IResourceWithConnectionString](/reference/api/csharp/aspire.hosting/iresourcewithconnectionstring.md) that can be used by the containing resource to acquire a connection string.

## Resource

- Name: `Resource`
- Modifiers: `get`
- Returns: [IResourceWithConnectionString](/reference/api/csharp/aspire.hosting/iresourcewithconnectionstring.md)
- Source: [GitHub](https://github.com/microsoft/aspire/blob/bd20f904cde09ecb9c9ae5116a6f13614bf2d7c2/src/Aspire.Hosting/ApplicationModel/ConnectionStringRedirectAnnotation.cs#L15)

Callback to acquire connection string.

```csharp
public IResourceWithConnectionString Resource { get; }
```