I\'m trying to send an authenticated request with one click in postman.
So, I have request named \"Oauth\" and I\'m using Tests to store the token in a local variable.>
You can't send another request from Pre-request Script section, but in fact, it's possible to chain request and run one after another.
Pre-request Script
You collect your request into collection and run it with Collection Runner.
Collection Runner
To view request results you can follow other answer.