code: def get_default_sticker_id(self):
          
          size = self.request.get('size', '')
          if size == 'small':
              return self.sample_type.getDefaultSmallSticker()
          return self.sample_type.getDefaultLargeSticker()
docs: Gets the default sticker for that content type depending on the
          requested size.
  
          :return: An sticker ID as string