CODE EXAMPLE FOR CSHARP

photon rpc

PhotonView photonView = PhotonView.Get(this);
photonView.RPC("ChatMessage", RpcTarget.All, "jup", "and jup.");

[PunRPC]
void ChatMessage(string a, string b)
{
    Debug.Log(string.Format("ChatMessage {0} {1}", a, b));
}