What are communication arrangements in S/4HANA Public Cloud?
A communication arrangement in SAP S/4HANA Public Cloud is the configuration that activates a communication scenario for a specific external system. It binds the scenario's inbound and outbound services to a communication system and its users or certificates, and once saved, those services become callable for that partner.
Arrangements are one of four related objects, and integrations only make sense once you see how they fit together.
| Object | What it is |
|---|---|
| Communication scenario | A bundle of inbound and outbound services, identified as SAP_COM_ plus a number |
| Communication system | The external partner, with host and authentication settings |
| Communication user | The technical user an external system uses for inbound calls |
| Communication arrangement | The active binding of one scenario to one system |
For example, business partner, customer and supplier integration uses scenario SAP_COM_0008, while enterprise eventing integration uses SAP_COM_0092. You create arrangements in the Communication Arrangements app, after creating the partner in Communication Systems and the inbound user in Maintain Communication Users.
Good practice is one arrangement per scenario and partner, credentials stored on the Integration Suite side rather than inside flows, certificates tracked for expiry, and every arrangement recorded in your integration inventory with an owner. See the step-by-step activation walk-through.
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