Direct Video Link: https://youtu.be/wYekGEYjdOE
Appraise-It Pro features a powerful scripting language based on Lua that allows users to do almost anything including connecting outside programs with the report and customizing how data moves around. But Pro can also do custom calculations in a field using special simple formulas.
SFREP's API Documentation: https://api.sfrep.com
Inline Scripts in Fields: https://api.sfrep.com/scriptsdocs/inline.html