How to set username in Rave app?

hey so how to set up a username in Rave app so when you open array app you can just tap choose your handle and that's uh based on your name and then you can just go here and then you can just select your username and then uh yeah just set it up and then you will have your username I don't know if this feature was just added recently or so but yeah it's just I think it's easier if you have your username here um so yeah hope that is helpful uh that's just an overview and yeah probably then you can just uh then you can just search Friends uh in derive app by your handle