Service Forewarn (Preavvisare)

This is the service to forewarn the arrival of a shipment of goods in the harbour

Service Interface and contract

Forewarn Interface

The service interface is shown on the left part of the figure, while the contract is shown on the right.
The forewarn in message is used to send the ENS document, while the MRNs out message is the response characterized by returning the sequence of the corresponding MRN documents.

Service Semantics

Forewarn Semantics

The realm involved in this service is AIDA, that stores any ENS and MRN documents exchanged with the customs.