![](/images/new-backgrounds/1214202/214202231x1.webp)
Defining derivations
4 Type an ID and select a base type.
5 Click OK.
Deriving by restriction
You derive a simple type or a complex type by restriction when you want to restrict the values of their base type.
Restriction on a simple type
The property sheet of a simple type restriction displays several specific pages:
♦General
♦Detail
♦Enumerations
♦Patterns
Detail, Enumerations and Patterns pages are described in the next section,
Defining restriction facets.
104 | PowerDesigner |