# ContainerImagePushOptionsCallbackAnnotation Properties

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

Represents an annotation that configures container image push options via a callback function.

## Callback

- Name: `Callback`
- Modifiers: `get`
- Returns: `Func<ContainerImagePushOptionsCallbackContext, Task>`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/a3766e994fd2cba86c8ac60b8a80268cab7e6383/src/Aspire.Hosting/ApplicationModel/ContainerImagePushOptionsCallbackAnnotation.cs#L57)

Gets the callback function that configures image push options.

```csharp
public Func<ContainerImagePushOptionsCallbackContext, Task> Callback { get; }
```