def set_meta(self, _props):
        """Set metadata values for collection."""
        if self.is_fake:
            return

        props = {}
        for key, value in _props.items():
            key, value = self.meta_mappings.map_set(key, value)
            props[key] = value

        # Pop out tag which we don't want
        props.pop("tag", None)

        self.journal.update_info({})
        self.journal.update_info(props)
        self.journal.save()