The ParkID is used in the several systems used in Flowbird Park&Charge
To find the park:
1.log in to https://streetsmart.hub.flowbird.eu/ui/businesscustomer/portal/park-selection
2.From the Parks list, select the park you are working with
3.In the details section on the right-hand side of the list select the [All Data] tab
4.Open the Technical fields section
5.The ParkID is listed in the field internalId