How to make Source and Referral Source mandatory for Events

Like with reservations, we have given individual properties the option to decide whether these fields are mandatory and must be filled in by staff when creating an event. To turn this on, head to Administration > Property and tick these boxes:

As with reservations, if you try to save an event with the information missing, you will see an error message at the top of the screen and get a red highlight around the box(es) in question:

The actual names of the items in the list that can be set as a Source or Referral Source are the same as the ones that are currently used for reservations. If you need to add to this list, simply head to Administration > Option Sets to make the necessary additions.