Detail to screens cross applications

If you are familiar with the application tree in Colleague, you know we can detail (UI screen) from a process to another within the same environment, or up one level, but not to the adjunct application. The tree looks like this:

                        UT

                          |

                     CORE

                   /      |      \

               ST     HR     CA

A screen from ST can detail to another screen in ST, or CORE, or UT, but it can't go to HR or CA. There's a trick to make this happen. If you want to detail to a HR screen from ST, you can do this:

   CALL S.SESSION.INIT('HR')

   CALL_SCREEN SUSPEND HRS105($PRIMARY)

   CALL S.SESSION.INIT('ST')

This code would initialize all environment variables required from HR application, open the screen, then reinitialize the ST application. 

Credit:  Eric Small from eCommunities.