Hello @juni dev ,
Thanks for reaching out.
If you are trying to setup up notifications for changes in user's resource data, then you can use change notifications for it. Please follow this document to know currently supported resources (using Graph API).
User resource supports delta query to track incremental additions, deletions, and updates, by providing a delta function. Refer this article to know more.
References: https://learn.microsoft.com/en-us/graph/webhooks
Hope this helps.
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