Need help with understanding nicknames and photon

Hey guys, i have a script that i have atm that will let me name the player but i need help printing this on both players and the leaderboard…

here is the script in question:

public InputField nickInput;
private string nickname;

    public void NickPanel_OkBtn() {
        if (Input.GetKeyDown (KeyCode.Return)) {
            print("NickPanel_OkBtn is Functional");
            this.nickname = nickInput.text;
            this.nickname = PhotonNetwork.playerName;
            print(PhotonNetwork.player.NickName);
            Application.LoadLevel ("Game");
        }

If you have questions about Photon, you should probably ask on their forums. The Photon Forum is Closed Permanently. | Photon Engine

okay, it’s my first multiplpayer project XD just figuring stuff out and asking anyone and everyone xD