Application Interface
You need the application interface to SAP Event Management (SAP EM) to:
● Establish the technical connection between the application system and SAP EM
● Define the supply chain event management relevance (SCEM relevance) of objects or processes
● Establish the data transfer from the application system to SAP EM
The following data is transferred from the application system to SAP EM:
○ Expected events
○ Parameters
○ Indicators
The application system contains programs (extractors) that extract data (for example, expected events) from the application system. The system uses the application interface to send this data to SAP EM.
The application interface calls the Business Application Programming Interfaces (BAPIs) in SAP EM.
Application Interface Customizing
You define the following in Customizing for the application interface to SAP EM:
● To define the system configuration:
○ The RFC connection to SAP EM
○ Defined the logical system
● To define the application interface:
○ The SAP EM system
○ The business process types
○ The used business process types, application object types, and event types that are relevant to supply chain event management
○ The SAP EM interface functions
○ The SAP EM relevance conditions

For more information about application interface Customizing, see theImplementation Guide (IMG) for the ERP system under Integration with Other SAP Components → Interface to Event Management.
The following figure provides an example of a system landscape for the application interface.

The SAP Basis Plug-In that contains the application interface as of SAP Basis Plug-In 2002.1, is an add-on that you can install on a Web Application Server or SAP product with SAP Basis 6.20 or higher.
To communicate with SAP EM, the application interface for SAP EM uses Business Application Programming Interfaces (BAPIs).
The application interface is also part of the SAP R/3 Plug-In for all SAP R/3 releases as of 4.0B.