Add interfaces to a UML system model

1. Open the UML model diagram file that represents your system.

2. Right-click the UML System icon in the tree view, click Packages, and then click New.

3. In the Package column, type a name for the data types package (for example, My Data Types), type or choose other package properties, and then click OK.

4. Right-click the new package, then click New, and then click Interface.

5. Type a name for the interface, type or choose the other properties you want, and then click OK.

   An icon for the new interface is added below the package in the tree view.

6. Repeat steps 4 and 5 until you have added all the interfaces you need.

7. If you want the new interfaces to appear in each new system model you create, save the file as a template. In the Save As dialog box, for Save As Type, choose Template (*.vst). Open this template when you start a new model.

Tip: You can add data types to a system the same way you add interfaces. Follow steps 1 to 3 above to add a new data types package to the system. Right-click the new package, and then click New, then click Data Type to add a new data type.