You can preview your event by clicking the black "Preview" button. It will open in another window, and you can see what it will look like on your events page. If it looks good, click the blue "Publish" box and it will now be live on your website.
If something needs fixed before publishing, you can go back in and edit by hovering over the text and clicking the pen looking icon. To watch a brief video on adding events to the website, visit <https://app.screencastify.com/v3/watch/nPwjSqiMHrYFBaUtuDJW>