code: def _annotate_params(self, word):
          
          annotation = {}
          annotation['text'] = word
          annotation['meta'] = '@' + self.entity_map[word]
          annotation['alias'] = self.entity_map[word].replace('sys.', '')
          annotation['userDefined'] = True
          self.data.append(annotation)
docs: Annotates a given word for the UserSays data field of an Intent object.
  
          Annotations are created using the entity map within the user_says.yaml template.