# ContainerRuntimeArgsCallbackAnnotation

- Kind: `class`
- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Version: `13.3.0`
- Namespace: `Aspire.Hosting.ApplicationModel`
- Target framework: `net8.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/bd20f904cde09ecb9c9ae5116a6f13614bf2d7c2/src/Aspire.Hosting/ApplicationModel/ContainerRuntimeArgsCallbackAnnotation.cs)
- Implements: [IResourceAnnotation](/reference/api/csharp/aspire.hosting/iresourceannotation.md)

Represents an additional argument to pass to the container runtime run command.

## Definition

```csharp
namespace Aspire.Hosting.ApplicationModel;

public sealed class ContainerRuntimeArgsCallbackAnnotation
    : Aspire.Hosting.ApplicationModel.IResourceAnnotation
{
    // ...
}
```

## Constructors

- [ContainerRuntimeArgsCallbackAnnotation(Func<ContainerRuntimeArgsCallbackContext, Task>)](/reference/api/csharp/aspire.hosting/containerruntimeargscallbackannotation/constructors.md#constructor-func-containerruntimeargscallbackcontext-task) -- Initializes a new instance of the [ContainerRuntimeArgsCallbackAnnotation](/reference/api/csharp/aspire.hosting/containerruntimeargscallbackannotation.md) class with the specified callback action.
- [ContainerRuntimeArgsCallbackAnnotation(Action<IList<object>>)](/reference/api/csharp/aspire.hosting/containerruntimeargscallbackannotation/constructors.md#constructor-action-ilist-object) -- Initializes a new instance of the [ContainerRuntimeArgsCallbackAnnotation](/reference/api/csharp/aspire.hosting/containerruntimeargscallbackannotation.md) class with the specified callback action.

## Properties

- [Callback](/reference/api/csharp/aspire.hosting/containerruntimeargscallbackannotation/properties.md#callback) : `Func<ContainerRuntimeArgsCallbackContext, Task>` `get` -- Gets the callback action to be executed when the executable arguments are parsed.