You select the
working area shown in the graphic. You select the Operation object type as the focus of your working area. The object types in the working environment are material-routing assignment, routing header, sequence, sub-operation, production resources and tools (PRT), material-BOM assignment, BOM header and component assignment.Working Area
See also:
Example: Selecting Change Statuses with Parameter Effectivity Step 2: Objects in the Database Step 4: Selection Criteria