/**
  * build settings form
  * @return object
  */
 protected function initSettingsForm()
 {
     global $ilDB, $ilUser;
     include_once './Services/Form/classes/class.ilPropertyFormGUI.php';
     $form = new ilPropertyFormGUI();
     $form->setFormAction($this->ctrl->getFormAction($this));
     $mng = new ilTextInputGUI($this->lng->txt('cal_ch_manager'), 'mng');
     $mng->setInfo($this->lng->txt('cal_ch_manager_info'));
     $form->addItem($mng);
     $mng->setValue(ilConsultationHourAppointments::getManager(true));
     $form->setTitle($this->lng->txt('settings'));
     $form->addCommandButton('updateSettings', $this->lng->txt('save'));
     // $form->addCommandButton('appointmentList', $this->lng->txt('cancel'));
     return $form;
 }