问事件中的日历API v3提醒始终是默认的。

EN

Event gEvent = new Event()
{
Summary = "Reminder test",
Location = "Reminder test",
Start = new EventDateTime()
{
DateTime = new DateTime(2014, 12, 14, 21, 0, 0),
},
End = new EventDateTime()
{
DateTime = new DateTime(2014, 12, 14, 22, 0, 0),
},
Reminders = new Event.RemindersData()
{
UseDefault = false,
Overrides = new List<EventReminder>() 
{
new EventReminder()
{
Method = "email",
Minutes = 15
},
new EventReminder()
{
Method = "email",
Minutes = 30
},
new EventReminder()
{
Method = "email",
Minutes = 45
},
}
}
};
Event simpleEvent = calService.Events.Insert(gEvent, strCalendarID).Execute();

private static void CreateSimpleEvent(string strAccessToken, string strCalendarID, string strApiKey)
    {
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(string.Format("https://www.googleapis.com/calendar/v3/calendars/{0}/events?sendNotifications=false&fields=reminders&key={1}", strCalendarID, strApiKey));
        request.Method = "POST";
        request.ContentType = "application/json";
        request.UserAgent = "TestCalendarApi2";
        request.Headers.Add("Authorization", "Bearer " + strAccessToken);

        string strJson = @"{
                        'end': {
                        'dateTime': '2014-12-19T15:30:00.000Z',
                        'timeZone': 'Europe/Prague'
                        },
                        'start': {
                        'dateTime': '2014-12-19T14:30:00.000Z',
                        'timeZone': 'Europe/Prague'
                        },
                        'reminders': {
                        'useDefault': false,
                        'overrides': [
                        {
                        'method': 'email',
                        'minutes': 13
                        }
                        ]
                        }
                        }";

        using (var streamWriter = new StreamWriter(request.GetRequestStream()))
        {
            streamWriter.Write(strJson);
            streamWriter.Flush();
            streamWriter.Close();

            var httpResponse = (HttpWebResponse)request.GetResponse();
            using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
            {
                var result = streamReader.ReadToEnd();
            }
        }
    }