Steps for pausing an event: -
Step 1: Go to the community dashboard, and from the left side of the page click on "Events", choose the event you want to pause and click on it.
Step 2: On the event dashboard, Click on the "Three dots" button on the top right and it will give you the option to pause/end the event.
Step 3: Click on the "Pause Event" button to pause the event, restricting attendees' entry into the event.
You can restart the event whenever you want from the same section.