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ALE/IDoc Interface CREMDM 
Within the MDM scenarios, business partner data is sent via the ALE/IDoc interface CREMDM from an SAP R/3 system, which uses SAP R/3 vendor masters for business partner data.
The SAP R/3
vendor masters sent from the SAP R/3 system are required in the master
data server in the format of the data type ABABusinessPartner (MDS). They are sent from SAP R/3 via
the IDoc adapter of the XI and transformed using an
XSL
transformation or Java
transformation to the format of the data type ABABusinessPartner (MDS) of the master data server.
The CREMDM interface is suitable for mass processing.
The IDoc structure CREMDM contains:
· The IDoc segments E1LFA1M, E1LFBKM, and E1LFASM, for which an XI mapping with MDM business partner is realized
· Another embedded IDoc segment, the structure ADRMAS02, which includes the address and communication data

For more information about field-to-field mapping between MDM business partner and the SAP R/3 vendor master, see SAP Service Marketplace.
The ALE/IDoc interface CREMDM is linked to the MDM business partner of a master data server via the generic interface ABABusinessPartner (MDS). The data exchange between them takes place in the form of XML messages, which are transformed using XSLT programs.
