Chapter 2 Building an Object-Oriented Model
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The Attributes page appears.
3 Click the Add Attributes tool.
The Selection window appears. It contains a list of all the attributes that
exist in the model, with the exception of those that already belong to the
interface.
4 Select the attributes that you want to add to the interface.
5 Click OK.
The attributes are added to the interface and appear in the list of
attributes for the interface.