async def METHOD_NAME(self, query_expr, range_end=None):
    """get the response from verify endpoints
    :param quary_expr: dict, filter parameters
    :param range_end: int,length value
    :return: response, json object"""
    events = []
    # if self._token :
    events = await self.get_events(query_expr)
    return self.response_handler(events, query_expr)