PhotonNetworkManager.cs

using UnityEngine;

public class PhotonNetworkManager : Photon.PunBehaviour
{
    void Awake()
    {
        PhotonNetwork.autoJoinLobby = false;
    }

    void Start()
    {
        Connect();
    }

    /// Start the connection process.
    /// - If already connected, we attempt joining a random room
    /// - if not yet connected, Connect this application instance to Photon Cloud Network
    public void Connect()
    {
        // we check if we are connected or not, we join if we are , else we initiate the connection to the server.
        if (PhotonNetwork.connected)
        {
            // #Critical we need at this point to attempt joining a Random Room. If it fails, we'll get notified in OnPhotonRandomJoinFailed() and we'll create one.
            PhotonNetwork.JoinRandomRoom();
        }
        else
        {
            // #Critical, we must first and foremost connect to Photon Online Server.
            PhotonNetwork.ConnectUsingSettings("1");
        }
    }
    
    // Gets called when another player joins the game
    public override void OnPhotonPlayerConnected(PhotonPlayer other) {
        PhotonNetwork.Instantiate("NetworkedPlayer", Vector3.zero, Quaternion.identity, 0);
    }
}