The template system in Rex is brilliant. Its all about efficiencies.
However when I create a template, when selecting a merge field, it's usually a guess as to which field to select. Sometimes logic prevails sometimes not. There is such a huge number of options. Scrolling through, looking for what it might be is a bit of a mission on its own.
It would be very helpful if there was a published list of the field names and their definition.
Or better still, if the field name pops up when hover over it. I'm meaning in the front end where we enter specific data relating to a contact or property for example.