Missing calendar group events

Question

I have a calendar group and a recurring event has created on this group since 2 months ago (subject: MyPrefix - Mysuffix) , It set to repeat every 2 weeks.

I tried to get these events by the below steps:

1. Find group_id
2. Get events from these group (https://graph.microsoft.com/v1.0/groups/{group_id}events?$filter=contains(subject, 'MyPrefix'))
   (E.g., I have events: MyPrefix - Mysuffix, MyPrefix - Mysuffix2, MyPrefix - Mysuffix3 etc)

=> The result: It only responded the first event that I created (MyPrefix - Mysuffix), It doesn't response the next events

Please help me on this case and how can I get all events of this group fully?

Answer 1

Try this:

https://graph.microsoft.com/v1.0/groups/{group id}/events?$filter=startsWith(subject,'MyPrefix')  

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