The 7-Way, on its own, will not engage electric brakes. You would need to add a brake controller. I would suggest a proportional unit as it will detect how hard you are braking in the truck and adjust the braking power on the trailer to match. It will yield a smoother braking system.
bona fide (not comparable) 1  In good faith. 2  Genuine; not counterfeit.
Bona fide is defined as real or done honestly. An example of bona fide used as an adjective is in the phrase a bona fide artifact from the Civil War, which means a real artifact from the Civil War. in good faith; made or done without fraud or deceit: a bona fide offer to negotiate. genuine; real: a bona fide Chippendale chair.