Cancel meeting series

Dipika Das 141

Hi,

I want to implement the functionality to cancel a set of recurring meetings and single occurrence. I tried to achieve this by following below way, but the problem is it's actually updating the event by removing all the meetings except the main event. And for cancel the main event I've to call cancel api again. So, it will be two calls. This is not what I want exactly, I want to cancel so user can view these as cancel meeting. Can anyone tell me Is there any api to cancel all at once?

PATCH https://graph.microsoft.com/v1.0/users/{userPrincipalName}/events/{id}
Content-type: application/json

{
  &#34;recurrence&#34;: null,
}

Zehui Yao_MSFT 5,831 Reputation points

2023-01-10T06:33:38.77+00:00
Hi @Dipika Das , have you tried the delete onlineMeeting endpoint?

DELETE /me/onlineMeetings/{meetingId} DELETE /users/{userId}/onlineMeetings/{meetingId}
Dipika Das 141 Reputation points

2023-01-10T06:55:31.1+00:00
Hi @Zehui Yao_MSFT Greetings,

Thanks for your reply.

I want to delete an event or event series, because it will not be online meeting every time it can be offline also. So, I cannot use the mentioned apis. I tried the below event cancel api and it's deleting all the series of meeting. POST https://graph.microsoft.com/v1.0/me/events/{id}/cancel

But now the problem is how I'll delete a single occurrence. Because if I use the above Api to cancel it'll cancel all events.

I'm trying to achieve the same as below.

Delete single event occurrence

Delete series of event occurrence ---(This I can achieve by existing event api that I mentioned above)

Please let me know how I can do this?

Accepted answer

Zehui Yao_MSFT 5,831 Reputation points

2023-01-10T07:39:45.407+00:00
Hi @Dipika Das , you can get the instances by using the below API call. Here is the documentation for you reference.

Get me/events/id/instances?startDateTime={start_datetime}&endDateTime={end_datetime}

And please try using the id of the required instance and send Delete request. Hope this helps. Best Wishes.

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Zehui Yao_MSFT 5,831 Reputation points

2023-01-11T07:20:36.1966667+00:00

Hi @Dipika Das , I would like to confirm whether the above reply is helpful to you. so would you mind provide any update on the status of this issue? :)

Zehui Yao_MSFT 5,831 Reputation points

2023-01-16T08:58:19.0366667+00:00

Hi @Dipika Das , did the suggestions above help you?

Dipika Das 141 Reputation points

2023-01-16T10:15:59.24+00:00

Hi @Zehui Yao_MSFT,

Sorry for late reply, yes, it was very helpful, and I checked the documentation you mentioned. But as I'm using calendrer view to do these, I found an Api which is below one to view events.

GET /users/{id | userPrincipalName}/calendar/calendarView?startDateTime={start_datetime}&endDateTime={end_datetime}

As this Api returning unique id for each master event and including recurrence event, existing cancel Api working perfectly. I didn't have to call instance Api.

But you documentation also help me to understand things. Thank you.

Thanks

Dipika
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Cancel meeting series

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