Now, add and label the Actor elements.
1. From the Basic section of the Modeling Palette, select the Actor icon .
2. Click once to the right of the Apply for a Loan Use Case element to place the Actor element in the diagram.
An unnamed Actor element is placed in the Diagram editor.
3. Click ESC to deselect the icon.
4. Select the Actor element that you just placed in the diagram, type Customer and press Enter.
The Actor element is labeled.