We have scheduled an event and many people have registered. Unfortunately I need to postpone the event. Is there a way to reach out to already registered people and ask them in one click to either confirm their participation at the new date, cancel their participation (will delete them from registration list) and classify them as "unknow status" if they do not answer at all, so that I can follow-up on this group at a later stage again? Or do I need to cancel the old event, set-up a new one and ask everyone to register again? Thank you for your help.
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