In ParkFlow, we have the option to add additional services offered by the parking facility.
Here is a guide on how to add such a service:
First, go to settings - parking lots.

Next, select the parking lot to which you want to add an additional service.

After selecting the parking lot, its settings will appear on the left side. Select the services option:

Then, in the top right corner, click the green create button:

All that remains is to give your additional service a name, add a description, price and service type. Once all fields are filled in, save the additional service.

Done!