private async void SearchFriends()
        {
            if (!string.IsNullOrEmpty(FriendSearchbar))
            {
                ObservableSearchPlayerList.Clear();

                //do web request and get the possible friends back. -> api/player/GetAccountsByNameSearch
                Dictionary <string, string> parameters = new Dictionary <string, string>
                {
                    { "name", FriendSearchbar.Trim() },
                    { "user", MultiplayerHubProxy.Instance.CurrentPlayer.UserId.ToString() }
                };

                var response = await RestHelper.GetRequestAsync("api/player/GetAccountsByNameSearch", parameters);

                if (response.StatusCode == System.Net.HttpStatusCode.OK)
                {
                    List <Player> foundPlayers = RestHelper.ConvertJsonToObject <List <Player> >(response.Content);
                    if (foundPlayers != null && foundPlayers?.Count != 0)
                    {
                        foreach (Player p in foundPlayers)
                        {
                            SearchPlayerObject SearchPlayer = new SearchPlayerObject()
                            {
                                PlayerName  = p.PlayerName,
                                PlayerGuid  = p.PlayerGuid,
                                OnAddFriend = new RelayCommand(() => CreateFriendShip(p))
                            };
                            ObservableSearchPlayerList.Add(SearchPlayer);
                        }
                    }
                }
            }
        }
        private async void CreateFriendShip(Player player)
        {
            List <Player> Friends = new List <Player> {
                MultiplayerHubProxy.Instance.CurrentPlayer, player
            };

            var response = await RestHelper.PostRequestAsync("api/player/CreateFriendship", Friends);

            if (response.StatusCode == System.Net.HttpStatusCode.OK)
            {
                //friend has been added, update friendlist at the top:
                await UpdateFriendships(MultiplayerHubProxy.Instance.CurrentPlayer.UserId.ToString());

                ObservableSearchPlayerList.Clear();
                FriendSearchbar = "";
                NotifyPropertyChanged("FriendSearchbar");
            }
        }