Grouping Swimlanes

Group organization unit swimlanes within a pool to organize them under a common parent or user-defined name.

To group swimlanes within a pool, select the pool, then right-click it and select Swimlane Group Type, and then:
No Group Parent Group User-Defined Group
The three swimlanes are in a pool, without grouping:

Sales and Distribution are grouped by their parent:
swimlane groupbyparent
The pool is assigned a user-defined group named 3rd quarter:
swimlane userdefinedgroup

To ungroup swimlanes, select Ungroup Symbols from the pool contextual menu or Select Symbol > Ungroup Symbols.