using Photon.Pun; // Connect to the Asia region server PhotonNetwork.ConnectToRegion("asia");
using Photon.Pun; // Connect to the US region server with a custom AppID PhotonNetwork.PhotonServerSettings.AppSettings.AppIdRealtime = "xxxxxxx"; PhotonNetwork.ConnectToRegion("us");This code will allow connecting to the US region server with a custom AppID. Note that you need to replace "xxxxxxx" with a valid AppID. In conclusion, the PhotonNetwork ConnectToRegion method is part of the Photon Unity Networking package (PUN) and it allows specifying a region to connect to the Photon servers.