Unlike other specialized filters, a configuration specification filter must display a part icon for every node in the part structure. When a version that matches the configuration specification exists, the part
![](../Windchill_Help_Center/images/IconPart.gif)
icon is displayed. When there is no part version that matches the configuration specification filter criteria, the part structure displays the part master icon
![](../Windchill_Help_Center/images/IconPartMaster.gif)
to indicate that the configuration is incomplete.