private async void ReadAttribute_Button(object sender, RoutedEventArgs e) { using (Logger.TraceMehtod()) { try { if (officerTicket == null) { MessageBox.Show("Authenticate first!"); return; } var user = UserName.Parse(AttributeUserNameTextBox.Text); var value = await enrollmentService.GetSingleValueUserAttribute <string>(officerTicket, user, AttributeNameTextBox.Text); ReadAttributeResult.Text = string.Join(Environment.NewLine, value); } catch (Exception ex) { ReadAttributeResult.Text = ex.Message; } } }