What's The Best Way To Apologize To Your Partner

If you do something wrong to your partner, probably cheat on then and they caught you or some other bad thing that could lead to a break up,how would you apologize? Send someone to plead on your behalf,get the person a cool gift to say you're sorry,send a text,get on your knees or what? Let me know as usual,i know the best way and i'll let you in on that secret after now!