Can you CHANGE USERNAME in RAVE app?

oh so heroes drive app so yeah can you change your username is there a username in drive app so if i tap on my profound top left i just can see my account i see my full name i can change name if i want i can reset to apple name and that's it there is no username so you you can't you can't change your yeah your username on this app um and there is no username you can only sign in with apple or at google drive but that's it