You can store a database's trigger procedures in an operating system directory or in an ABL r-code library. There are advantages and disadvantages with each technique of storage. Typically, when deploying an application, it is advantageous to store your trigger procedures in an r-code library. When developing the application, it is usually better to store the procedures in a directory.

The Trigger Location (–trig) startup parameter allows you to specify the directory or r-code library containing your trigger procedures.