SAP Business Network

About Enhancement to Extension Structures to Customize Transactions = https://help.sap.com/docs/sisgw/sap-ariba-cloud-integration-gateway-configuration-guide/about-enhancement-to-extension-structures-to-customize-transactions

Purchase Order - ARBCIG_ORDERS

Populating Extended Segment Values for IDoc Flows - https://help.sap.com/docs/sisgw/sap-ariba-cloud-integration-gateway-configuration-guide/how-to-populate-extended-segment-values-for-idoc-flows
Implementing a Customer Exit for Purchase Orders - https://help.sap.com/docs/ariba/aba524a8b2444714b289cee09bd4c377/d29337ba10254ae79a255c55c48c222c.html
RFP Event Template question Field mapping in CIG to PO Header custom field in S/4 HANA and SBN - https://community.sap.com/t5/spend-management-blog-posts-by-members/rfp-event-template-question-field-mapping-in-cig-to-po-header-custom-field/ba-p/13950073
3673483 - Payment term description added in IDoc ARBCIG_ORDERS segment E1EDKT1 / E1EDKT2 - https://me.sap.com/notes/0003673483/
3397205 - ARBCIG_ORDERS IDoc message to include deleted line items in purchase order