17. Working with FileMaker Triggers
Introducing FileMaker Triggers
Triggers are nothing new to FileMaker or to programming in general. They are operations (scripts, in the FileMaker world) that run when certain events occur. These events can be a click in a field, a click out of a field, a change from one mode to another (Browse to Preview to Layout to Find), the opening or closing of a file or window, the selection of a tab, or a change in a data value. Once the trigger is established—and that means defining the action to be taken as well as the event that causes the trigger to run—everything works by itself.
A trigger is said to “fire” ...