IBM RDi lab8-2 How to write user-defined functions and prototypes in AS400
0:00 driver program is not necessary but it helps
0:35 UDF takes modules to work
1:39 only compiled moduels appear in your user library
2:30 DSPPFM
3:32 UDF version should work like lab3 version
Reminder: compile rpg (main rpg and udf), not the prototype.