Show custom UI extension in parameter query

Other than the voice prompt, is it possible to show custom user interface in parameter query?


The documentation says it can only be shown at the final stage when the user request is fulfilled.

https://developer.apple.com/documentation/sirikit/custom_ui


The soup chef example only shows how parameters can be fulfilled with the default prompts and ways, but not custom UI. Any example code will be highly useful if this is possible in iOS 13.1