code: def add_resources(self, resources):
      
      new_resources = self._build_resource_dictionary(resources)
  
      for key in new_resources:
        self._resources[key] = new_resources[key]
      self._dirty_attributes.add(u'resources')
docs: Adds new resources to the event.
  
      *resources* can be a list of email addresses or :class:`ExchangeEventAttendee` objects.