code: def set_using_network_time(enable):
      '''
      Set whether network time is on or off.
  
      :param enable: True to enable, False to disable. Can also use 'on' or 'off'
      :type: str bool
  
      :return: True if successful, False if not
      :rtype: bool
  
      :raises: CommandExecutionError on failure
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' timezone.set_using_network_time True
      '''
      state = salt.utils.mac_utils.validate_enabled(enable)
  
      cmd = 'systemsetup -setusingnetworktime {0}'.format(state)
      salt.utils.mac_utils.execute_return_success(cmd)
  
      return state == salt.utils.mac_utils.validate_enabled(
          get_using_network_time()f set_using_network_time(enable):
      '''
      Set whether network time is on or off.
  
      :param enable: True to enable, False to disable. Can also use 'on' or 'off'
      :type: str bool
  
      :return: True if successful, False if not
      :rtype: bool
  
      :raises: CommandExecutionError on failure
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' timezone.set_using_network_time True
      '''
      state = salt.utils.mac_utils.validate_enabled(enable)
  
      cmd = 'systemsetup -setusingnetworktime {0}'.format(state)
      salt.utils.mac_utils.execute_return_success(cmd)
  
      return state == salt.utils.mac_utils.validate_enabled(
          get_using_network_time())
docs: Set whether network time is on or off.
  
      :param enable: True to enable, False to disable. Can also use 'on' or 'off'
      :type: str bool
  
      :return: True if successful, False if not
      :rtype: bool
  
      :raises: CommandExecutionError on failure
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' timezone.set_using_network_time True