When your campus is closed or a room needs maintenance, you can block out dates by creating events to ensure you don't book anything during those times.
Tip
Use an event template to make it easier to reserve the rooms and resources.
Create tags based on reasons the campus might be blocked out.

Once you have tags, you can add them to your events.
Create an event that will act as a placeholder for the date(s) you want to block out.
Add the appropriate tag to the event.

Once you're taken to the event page, you can add the main rooms to ensure no one requests to schedule them.

If someone requests to schedule the rooms for an event, they'll create a conflict, and your Conflict Resolver can reject the request due to the block out.
Some events don't need to be shared on Church Center or your public calendars, such as a staff meeting, an AA meeting, or a wedding. For these events, you can hide the event.
Check out this clip from Planning Center University.
Go to the Settings of the event to hide the event from the Calendar on Church Center.

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See if the event is on Church Center at a glance.
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Change the visibility from Published to Hidden.
From the event, click Edit.
If you only want to hide this specific instance from the calendar, choose This date. To hide all instances of the event, click This and future dates.

Disable the icons that make the event visible on calendars and the kiosk, and this event will be hidden from your main calendars.

Click Save changes, and the time/event will be hidden from your calendars and kiosks.