...

1. Click Develop > Test Cases.
   The Test Cases screen is displayed. On the left pane, scenarios are organized in a tree structure and on the right pane available scenarios are displayed in a tabular format.
2. On the left pane, select the root scenario under which you want to add new scenario.
3. On the right pane, click New.
   The New Scenarios window is displayed.
4. Enter Scenario Name.
5. Enter Scenario Description.
6. Click OK.
   A scenario is created and listed under the selected root scenario.

See also,

Editing a Scenario

Removing a Scenario