4 5 9 Trigger Functions

Visual LANSA

4.5.9 Trigger Functions

A LANSA trigger function is a special type of LANSA function, which is invoked automatically when a specific type of I/O operation occurs on a file and when a specific set of conditions are met.

There are 2 building block application templates available, designed to form the base of a trigger function: one for field-based triggers, and one for file-based triggers.

A trigger should encapsulate all the trigger rules for a particular field or file, (depending upon whether the trigger is linked at field level or file level).

For details about trigger functions, refer to Trigger Functions in the Technical Reference Guide.

Ý 4.5 File Rules & Triggers Development