This dialog box allows you to create and edit complex types.
To display Type Editor, double-click the complex type on the diagram or in the Model Explorer, or select Edit from the complex type shortcut menu.

The following options are available:
Name – set the complex type name here.
Access – set the accessibility level here. Acceptable values are Public and Internal.
View – Selecting a view allows you to view and edit specific parameters for class or type properties inside the Class Editor without opening Property Editor. The following views are available.
Properties – displays complex type properties and their parameters.
Documentation – click to open the Documentation Editor dialog box and enter a description of the complex type.