Within ‘Diagrams View,’ users can create a new diagram by clicking the ‘+ New Diagram’ button on the right of the page.

Clicking the ‘+ New Diagram’ button will open the New Diagram dialog where you will be directed through the process of creating a new diagram.
Create a Use Case Diagram
- Choose Which Type of Diagram to CreateOn step 1, select ‘Use Case Diagram,’ under ‘SysML,’ as your diagram type.

Click the ‘Next’ button.

- Specify New Root Action InformationOn step 2, you will be prompted to input a diagram ‘Name,’ ‘Number’ (optional), and ‘Description’ (optional). Then, click the ‘Next’ button.

- Congratulations!On step 3, click the ‘Save’ button to save and automatically open your new Use Case Diagram.
