Mapping inputs to service header

I'm trying to map 2 inputs on a UI to a server code service requesr. I've tried mapping them to the header and the query string, but they are not being mapped.

Heres the UI, with an email and password field

Heres the function

And mapping

But the request sent to the external server API does not have the properties in the header?

Can you see what I'm doing wrong?
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