This data flow is used within the Provide Electronic Payment Services function and contains data about a parking lot payment transaction that was attempted but did not work. It consists of the data items shown below, each of which is defined in its own DDE. For each particular set of data some of the data items may be blank depending on the reason(s) for which the transaction did not work.

+ vehicle_identity
+ parking_lot_cost

Sub Data Flows

Parent Data Flows

Associated PSpecs