Vectorworks allows you to select objects based on a series of custom criteria. This would…
Vectorworks Tip #179 – Basic Tools – Custom Modification
This command allows you to select multiple objects and modify them. It uses the same concept as the custom selection command, where you have a dialog box to set the criteria for selecting the objects. After making your choices and clicking OK on the selection criteria, you then get the Properties dialog box with all of the objects selected. This dialog box allows you to edit all of the selected objects at the same time.