how to message someone

hi! i just had a match in which i accidentally ki charged, and i dont want the other person to think i was being mean. they were playing reina and i was playing nina on quick match btw if eggwards is reading this ijust wanna say that i did NOT mean that😭😭i havent really played tekken in like a month or so and im really rusty, i started to panick and it just happened, i enjoyed those 3 matches btw u are really good and i even practiced my sidestep, btw if someome here knows that person pls tell them i didnt mean that omg😭😭anyways is it possible to message someone who's on ps and im on pc?? ty in advance

edit: i forgot to mention that im kinda new to the game and absolute ass lol and i mash when in stressful situations