Steps for pausing an event: -
Step 1: Go to the dashboard, and from the left side of the page click on "Events" and 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 an 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 re-start the event whenever you want from the same section.