SAP PI (Process Integration) is the important element of Netweaver. Below is a list of mostly used and important transaction codes related to SAP PI within SAP ABAP.
Web Services Related Transaction codes:
SUDDIREG: Maintaining UDDI Registry
SOAMANAGER: Start SOA Manager
WSADMIN: Administration tasks for Web services
WSCONFIG: Configuration of Web Services in the Web Service Framework
WSPUBLISH: Publish Web Services
Transaction codes for Administration:
AL11: SAP Directories Display to check the profile parameter DIR_TRANS.
AL08: Logged in user list screen.
SXMB_IFR: Start Enterprise Service Integration Builder
SXMB_ADM: Integration Engine Administration
SXI_SUPPORT: Test all Repository and Directory Objects
SMQR: qRFC monitoring to display the status of QIN Scheduler and Registration.
SMQ1: qRFC monitoring the Outbound Queue.
SMQ2: qRFC monitoring the Inbound Queue.
SLDAPICUST: Customizing API for System Landscape Directory.
SU01: User Address Maintenance
SICF: HTTP Server Configuration
SM21: System Error Logs
ST22: ABAP Runtime Errors
SLDCHECK: Check the connection to the System Landscape Directory (SLD).
SM58: tRFC error Logs
SMICM: ICM Monitor
STRUST: Trust Manager
RZ20: CCMS Monitoring
RZ70: SLD Administration
Transaction Codes in PI for Monitoring:
SMGW: Gateway Monitor
SXMB_MONI: Monitoring Integration Engine
SXI_MONITOR: Monitor for Processed XML Messages
SXI_CACHE: PI Runtime Cache
IDOC transaction codes in PI:
IDX1: Assign Port (RFC destination) in IDOC Adapter
IDX2: IDOC Metadata administration
IDX5: IDoc tracking like display IDOC XML Messages
WE02, WE05: IDOC Display and IDOC list respectively
Business Process Management (BPM) T-codes:
SWF_XI_ADM_BPE: Start and Stop BPE
SXMB_MONI_BPE: Monitoring tool for Business Process Engine (BPE)
SWF_XI_PBUILDER: Detailed BPM Process Builder
SWF_XI_CUSTOMIZING: Check Integration Process prerequisite
SWF_XI_ADM_BPE_DISP: Display the status of BPE
SWELS: Switch Event Trace On/Off
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