The review section allows to have an overview of the Setup of the entire scenario specification and edit a section if it is needed before execution.  The button Finish Specification & Prepare for Execution at the bottom of the page must be clicked before the scenario can be executed.

→ Edit: It brings you to the respective section to be edited.

→ Finish Specification & Prepare for Execution: It brings you back to the scenario page and allows you to move to the Execution phase.