def METHOD_NAME(self, message, **kwargs):
    # type: (Message, **Any) -> None
    mitie_feature_extractor = kwargs.get("mitie_feature_extractor")
    if not mitie_feature_extractor:
        raise Exception("Failed to train 'intent_featurizer_mitie'. "
                        "Missing a proper MITIE feature extractor.")
    ents = self.extract_entities(message.text, message.get("tokens"),
                                 mitie_feature_extractor)
    extracted = self.add_extractor_name(ents)
    message.set("entities", message.get("entities", []) + extracted,
                add_to_output=True)