What is a User Exit?

A user exit is an optional feature that allows you to run Open C API programs automatically at certain predefined locations (or exits) in NX. If you go to one of these exits, NX checks to see if you have defined a pointer to the location of your Open C API program. If the pointer is defined, NX runs the Open C API program. The pointer is a an environment variable.
 
User Exits exist for: