Guest lists are only visible within that one event. This is great for most cases, but for some types of events you also have guests who should always be on the list no matter which event. With passes you can create a guest list that is linked and synchronized between all the events you add it to.
Passes are ideal for recurring guests like members, staff, or season pass holders. Once you create a pass type and add passes to it, those pass holders automatically appear in every event where you've linked that pass type. Any changes you make to the pass type—adding new passes, editing details, or removing passes—instantly sync across all connected events. Only account administrators can create pass types, but you can grant other users permission to manage them once created.