code: def event_date(self, event_date):
          
          if not self.can_update():
              self._tcex.handle_error(910, [self.type])
  
          event_date = self._utils.format_datetime(event_date, date_format='%Y-%m-%dT%H:%M:%SZ')
          self._data['eventDate'] = event_date
          request = {'eventDate': event_date}
          return self.tc_requests.update(self.api_type, self.api_sub_type, self.unique_id, request)
docs: Updates the event_date.
  
          Args:
              event_date: Converted to %Y-%m-%dT%H:%M:%SZ date format.
  
          Returns: