# ConstructBuilderDelegate<T> Methods

- Package: [Aspire.Hosting.AWS](/reference/api/csharp/aspire.hosting.aws.md)
- Type: [ConstructBuilderDelegate<T>](/reference/api/csharp/aspire.hosting.aws/constructbuilderdelegate-1.md)
- Kind: `Methods`
- Members: `2`

Represents a multicast delegate; that is, a delegate that can have more than one element in its invocation list.

## BeginInvoke(Construct, AsyncCallback, object)

- Name: `BeginInvoke(Construct, AsyncCallback, object)`
- Modifiers: `virtual`
- Returns: `IAsyncResult`

```csharp
public delegate ConstructBuilderDelegate<T>
{
    public virtual IAsyncResult BeginInvoke(
        Construct scope,
        AsyncCallback callback,
        object @object)
    {
        // ...
    }
}
```

## Parameters

- `scope` (`Construct`)
- `callback` (`AsyncCallback`)
- `object` (`object`)

## EndInvoke(IAsyncResult)

- Name: `EndInvoke(IAsyncResult)`
- Modifiers: `virtual`
- Returns: `T`

```csharp
public delegate ConstructBuilderDelegate<T>
{
    public virtual T EndInvoke(
        IAsyncResult result)
    {
        // ...
    }
}
```

## Parameters

- `result` (`IAsyncResult`)