Information about the Step Builder during recording in the latest release of Test Studio can be found here.
The Step Builder provides options for adding steps based on the selected element in the DOM tree during a recording session.
The Step Builder on project level can also be used to build steps against already recorded elements in the Elements repository.
1. Click the Step Builder tab in the lower right corner.
2. The Step Builder pane appears. Now select an element from the Elements Explorer to see the suggested action and verification steps for it.
3. Select the action or verification you want to create and click Add Step button.