FileMaker Tips #1 — Custom Functions

This is the first of a series of FileMaker Tips that I will be sharing with you all from my 5+ years of developing FileMaker solutions. To get started, I want to talk about custom functions.

Custom functions have been around for a long time in the Claris FileMaker Platform. Custom Functions are a way to write a re-usable calculation that can either be simple or complex to use throughout your system. It’s not too uncommon that when I find myself evaluating a calculation over and over again in my solutions that I consider converting it to a custom function. There are…