Bring up the tombstone dialog box by either clicking on the Properties button or clicking the Parts step in the Steps toolbox.
If you want the ordering of operations to minimize tool changes across all setups, click Tool Dominant. Note that you must also set the Minimize tool changes ordering attribute for Tool Dominant to work correctly. See Ordering default attributes for more information.
If you want the ordering of operations to complete each setup before moving on to another setup, click Setup Dominant. The order that operations are performed within a setup are determined by the milling ordering attributes. Click Generate Single Program to create a single NC program for all faces.