SAP Transaction Codes (T-Codes) specifically for configuring Trading Partners in SAP

T-Code	Description
BD54	Define Logical Systems (represents a system in the landscape, including trading partners).
SCC4	Assign Logical System to a Client (link SAP client to logical system).
WE20	Configure Partner Profiles (set up trading partner details for IDoc communication).
WE21	Maintain Ports (define communication ports, such as file, RFC, HTTP, or IDoc adapter).
NACE	Configure Output Types (set up triggers for documents like Orders, Invoices, or Shipments).
WE81	Define Message Types (e.g., ORDERS, INVOIC, DELVRY for EDI communication).
WE82	Assign Message Types to IDoc Types (map EDI message types to SAP IDoc formats).
WE41	Maintain Process Codes for Outbound IDocs (link function modules to outbound message processing).
WE42	Maintain Process Codes for Inbound IDocs (link function modules to inbound message processing).
WE57	Maintain Function Module Assignments (assign function modules for IDoc processing).
WE19	IDoc Testing Tool (simulate inbound/outbound IDocs for troubleshooting).
WE02	Display IDocs (monitor all IDocs with statuses like success, error, or in-process).
WE05	IDoc Overview (alternative to WE02 with more viewing options).
BD87	Reprocess IDocs (fix and reprocess failed IDocs).
SM59	Define RFC Destinations (set up remote function calls for system communication).
BD64	Maintain ALE Distribution Model (configure system-to-system data exchange relationships).
XK01	Create Vendor Master (include EDI-specific information for vendors).
XD01	Create Customer Master (include EDI-specific information for customers).
WE09	Search IDocs (find IDocs by partner number, message type, or specific field values).