I've got community version 6.1.2 running on a CentOS7 server.
I created a custom model (named: correspondence) and added an aspect (outboundletter) with two fields (letterreference, lettersubject). Then I added a layout for the aspect.
Now I can select an upload PDF, assign it the aspect and clicking on "Edit Properties" allows me to view & edit the letter reference number and subject.
How do I search for items by reference number or subject?