Hi, welcome on this forum where users try to help other users.
Such details are visible in the event or venue detail views. JEM don't want all informations in the simple list.
But in this forum there were others who tried to integrate the attachments into the simple list. It's up to you to search for this!
Testing JEM 2.3.0 beta3 local on clean latest Joomla (3.9.11) Protostar php7.3.8 (no mails)