Tripplet

Im Making My Own Music Or how ever it works i just want to add music i love to play on here and i would like to know how to do the triplets on the music sheet it would really help if you show me where to do it from because i need big help lol this is my first time putting something on here as for me this isnt my first time on this website i love this site ! it helps me learn songs that i want to learn