public Task RegisterAquireUser(string AquireUser) { string WebUserConnectionID = _connections.AddAquireUser(AquireUser, Context.ConnectionId); if (!String.IsNullOrEmpty(WebUserConnectionID)) { var AquireMessage = new AquireMessageModel { ContentMessage = "Connected", TypeMessage = MessageType.connected }; Clients.Client(WebUserConnectionID).InvokeAsync("Notify", AquireMessage); } return Clients.Client(Context.ConnectionId).InvokeAsync("RegisterAquireUser", Context.ConnectionId); }