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Is the Stack type still used if an InlineProgram is created?  Looking at the code it doesn't seem to be.  Does the InlineProgram become the roots stack?

You can still use the stack type. The functionality is on the `PulumiFn` class. It is just another way of providing your pulumi program delegate.

You could either:
• `PulumiFn.Create&lt;TStack&gt;();`
• `PulumiFn.Create(delegate);`
It is the same functionality as before Automation API where you would either:
• `Deployment.RunAsync&lt;TStack&gt;();`
• `Deployment.RunAsync(delegate);`

Thanks, yeah, I dug through the code.  So, with an InlineProgram, when a resource is created the parent isn't auto-set like with a stack, which makes sense.

Untitled

no that isn't exactly true, there is always a root stack resource. If you aren't using a `TStack` type than internally Pulumi is just doing that for you. I can link you the code 1 sec

<https://github.com/pulumi/pulumi/blob/f68b58383142f853bb8d7ff871fd48a4dfa95734/sdk/dotnet/Pulumi/Stack.cs#L66|Here> you can see that `Pulumi.Stack` has an internal constructor that takes in a delegate.

And <https://github.com/pulumi/pulumi/blob/f68b58383142f853bb8d7ff871fd48a4dfa95734/sdk/dotnet/Pulumi/Deployment/Deployment.Runner.cs#L63|here> you can see that if you provide a delegate instead of a `TStack` type than it is just using that internal constructor, so there is always a root `Pulumi.Stack` resource.

In both cases, `TStack` and delegate programs, the following code:
```var parent = type == Stack._rootPulumiStackTypeName
                ? null
                : (options.Parent ?? Deployment.InternalInstance.Stack);```
`parent` would be set by `Deployment.InternalInstance.Stack`

It just ensures that `Pulumi.Stack` resource never has a parent