Hi Maria,
Thanks for your interest in our product!
Absolutely, it’s possible to insert additional fields for each event, providing you get the Events Calendar PRO plugin.
Once you’ve installed and activated this plugin, you can create additional fields by navigating to the “Events -> Settings -> Additional Fields” tab within your WordPress dashboard.
You’ll find more information about the additional fields in our knowledge base.
I hope this helps,
Cheers,
Jeremy