An API that connects multiple Microsoft services, enabling data access and automation across platforms
Hello @Arora, Nancy,
Thanks for reaching out!
Currently Graph API supports only to add an attachment to an already existing event. Please use POST /users/{id | userPrincipalName}/events/{id}/attachments API to add attachment to an event.
Documentation reference: https://learn.microsoft.com/en-us/graph/api/event-post-attachments?view=graph-rest-1.0&tabs=http#:~:text=Use%20this%20API%20to%20add%20an%20attachment%20to%20an%20existing%20event.
Hope this helps.
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