Use cases in the reference implementation

The reference implementation shows how FTM for Digital Payments interacts with FTM for Immediate Payments for The Clearing House (TCH) payments.

In the reference implementation, Digital Payments and Immediate Payments exchange messages as TCH payments are processed. This exchange is shown in sequence diagrams for the following use cases.

  • Incoming immediate payments
  • Outgoing immediate payments - single or bulk
  • TCH origination web service
The following table shows what the object names in a sequence diagram represent.
Table 1. Object names in the sequence diagrams
Object name or label Represents
Source The initiating party.
CSM The clearing and settlement mechanism (CSM) for The Clearing House (TCH).
Immediate Payments The FTM for Immediate Payments message flows.
Gateway The Gateway Server component of Payment Feature Services.
Transaction Server The Transaction Server component of Payment Feature Services, including its user interface.
Distribution The Distribution component of Payment Feature Services.