private async Task Registration()
        {
            if (ValidateFields() && !IsNotConnected)
            {
                var user = await FirebaseAuth.CreateAccount(Email.Value, Password.Item1.Value);

                if (user != String.Empty)
                {
                    var signOut = FirebaseAuth.SignOut();
                    if (signOut)
                    {
                        await Shell.Current.GoToAsync("//login");
                    }
                }
            }
        }