Request context value generator doesn't consider optional attributes

[shaobo-he-aws]

Category

DRT generator(s)

Describe the feature you'd like to request

It turns out we always produce a value for an attribute even if it's optional.

Describe alternatives you've considered

N/A

Additional context

No response

Is this something that you'd be interested in working on?

• 👋 I may be able to implement this feature request
• ⚠️ This feature might incur a breaking change