Stripe integration: how to 'expand'?

Is there any way to ‘expand’ an object using the Stripe integration?

For example I’m using the ‘createOrder’ step:

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Docs:
https://stripe.com/docs/api/orders_v2/create?lang=node

And I want to ‘expand’ the lineItems object to get more info back in my response…
Docs on expanding: https://stripe.com/docs/api/expanding_objects?lang=node

I don’t see how I can do that using the UI. The only fix I can think of now is by creating my own extension or using the ‘api action’ and not the stripe