You can update your service to use a different simulation stored in your account.
Go to service detail pages, and select the simulation name from the dropdown.
Hoverfly Cloud will take care of updating the simulations in the service.
Click on the simulation link to view the simulations loaded in the service.
You can make change to it using the editor, and click “Apply changes” to make your change effective.
You can also export the simulation in an active service for future sharing or reuse, especially the simulations are created via capturing.
Click on the dropdown menu in the toolbar and select “Export simulation as new...”, it will prompt you for the simulation name.