def to_flasgger(self, app=None, definitions=None, paths=None):
        """
        Converts APISpec dict to flasgger suitable dict
        also adds definitions and paths (optional)
        """
        if Schema is None:
            raise RuntimeError('Please install marshmallow and apispec')

        return flasgger.utils.apispec_to_template(
            app,
            self,
            definitions=definitions,
            paths=paths
        )