def get_event_detail(self, pguid, guid):
        """
        Fetches a single event's details by specifying a pguid
        (a calendar) and a guid (an event's ID).
        """
        params = dict(self.params)
        params.update({"lang": "en-us", "usertz": get_localzone_name()})
        url = f"{self._calendar_event_detail_url}/{pguid}/{guid}"
        req = self.session.get(url, params=params)
        self.response = req.json()
        return self.response["Event"][0]

        Fetches a single event's details by specifying a pguid
        (a calendar) and a guid (an event's ID).
        
pyicloud/services/calendar.py