Using the Toolbox
To create a Boundary element on a diagram, follow the steps below:
1. | In the Enterprise Architect UML Toolbox, select the menu option. |
Using the Properties Dialog
To create a Boundary element using the Properties dialog, follow the steps below:
2. | Right-click on the element and select the menu option; the Properties dialog displays. |
3. | In the field, click on the drop-down arrow and select the value . |
4. | Click on the and buttons. |
The illustration below shows an Actor interacting with a Boundary (in this case, a Login screen).

Note: The Model-View-Controller (MVC) pattern is a design pattern for building a wide range of applications that have a user interface, business or application logic and persistent data.