Events and Messaging

Core Concepts

This guides introduces CAP's intrinsic support for emitting and receiving events in the very core of the runtimes' processing models.

Event Queues

Transactional Event Queues let you persist events and scheduled tasks in the same database transaction as your business data, then process them asynchronously with retries and a dead letter queue.

Messaging

CAP provides intrinsic support for emitting and receiving events. This is complemented by Messaging Services connecting to message brokers to exchange event messages across remote services.

• Advanced Event Mesh

CAP provides out-of-the-box support for SAP Integration Suite, advanced event mesh, via CAP plugins for Node.js and Java.

• SAP Event Mesh

Using SAP Event Mesh service on SAP Business Technology Platform (BTP) as a messaging channel in CAP applications.

• SAP Event Hub

Using SAP Cloud Application Event Hub service on SAP Business Technology Platform (BTP) as a messaging channel in CAP applications.

• Events from S/4

Receiving events from SAP S/4HANA Cloud systems via SAP Event Mesh as well as SAP Cloud Application Event Hub.