This dialog box allows you to select assemblies, their attribute types, attributes and their parameters to add to classes, properties and contexts of your model.
You can access this dialog box by clicking the three-dot button in the Attributes line in the Properties area for the selected class, property or context.
Available Attribute Types
Lists selected assemblies and their attributes
Selected Attributes
Lists attributes that are selected from the assembly.
The lower part of this area lists parameters and parameter values of the selected attribute displayed in the Selected Attributes area. It also contains three display control buttons (from left to right): a switch for categorized/non-categorized display, a button for alphabetical sorting of displayed items and a button that allows viewing the properties of the selected item.