Striker plate

I'm actually looking for the striker plate in photo,,, it's a Nani atrium 332 vinyl sliding glass door w/fin from date 10/11/2018 302187 people who owned the home before me put in a doggy door and lost the one for my up stairs I did order one but I'm not positive it is correct,, those I have down stairs is white the one I ordered is brassy looking and it was from swisco I could use a little help thank you

Thank you I will let you know the dimensions are off by a little bit I hope it fits if not I will contact you back to possibly get an oem replacement? Thanks again