In BBj 10.0 and higher, this method returns a group identifier for the session group to which this BBjSession belongs. A group identifier is an integer value shared by an original BBj session and any child sessions started via SCALL, BACKGROUND, and newBBjSession. The group identifier is shared by processes inside an MDI Window and is the group identifier used by BBjAPI::getGroupNamespace.
A value that identifies the session group.
See the BBj Object Diagram for an illustration of the relationship between BBj Objects.