Provides a tree view list of all the available systems you can include in your filter search criteria. A model is the highest system in the hierarchy and includes all subsystems. Systems can span disciplines and include many types of objects.
You can select the Include nested objects option to specify that you want your search criteria to include all objects within a system. For example, if you select this option, the software selects all children objects when you select a parent system. If you do not select this option, you select only the systems. You can select Lock CTRL key or use the CTRL and SHIFT keys to select multiple objects on this tab.
Nodes with more than 1,000 children display in bold type rather than auto-expanding if some of their children are selected in the filter properties. The selected child nodes highlight when you expand the parent node.