Triggers a script to run after a record is made current or is entered, such as after a user or script switches to a layout, switches records, opens a new window, creates or deletes a record, or performs a Find operation.
When the script runs
After the event has been processed.
Modes in which the trigger can be used
Browse and Find modes.
Originated in 
FileMaker Pro 10.0
See Changing object data without activating script triggers for a list of actions that do not activate this script trigger.
Related topics 
Setting up script triggers
Setting script triggers for layouts
Setting script triggers for objects