Microsoft Graph API - Only get new events HELP


I’m using the Microsoft Graph API to get a users calendar events(it gets them by pressing a button). Everytime this button is pressed, ALL events are listed - even the ones i already “got”. Does anyone know how to only get new events? Been trying to figure it out, looking into their API docs, but just can’t crack it…

Thank you!

By “only getting new events” i mean only getting events that weren’t “got” on the last button press

help pls

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