In the SAP Application Interface Framework, you can monitor and process IDocs.
In Customizing for SAP Application Interface Framework
(transaction code /AIF/CUST) under you need to make settings for the engines for each of the scenarios where IDoc technology is supported by the SAP Application Interface Framework.
In the SAP Application Interface Framework, there are the following four different scenarios in which you can process and monitor IDocs:
IDoc Scenario 1: See Monitoring of existing IDocs in Monitoring and Error Handling
IDoc Scenario 2: See Process IDoc Using AIF; Call IDoc Function Module in Action
IDoc Scenario 3: See Process IDoc Using AIF; Call BAPI in Action
IDoc Scenario 4: See Process IDoc Using ALE; Write Index Tables with AIF Enabler