SAP NetWeaver AS ABAP Release 751, ©Copyright 2017 SAP AG. All rights reserved.ABAP - Keyword Documentation → ABAP - Reference → Data Interfaces and Communication Interfaces → RFC - Remote Function Call → RFC Overview →
The RFC protocol describes how data is passed to the RFC interface and back. basXML is available as a unified format for all types of parameter passing. To use basXML, it must be specified in both transaction SM59 and in the transmission protocol for the destination and explicitly when creating an RFM.
If one of these two prerequisites is not met, for example, for communication with systems in earlier releases (where basXML was not yet available), the RFC protocol is selected implicitly depending on the parameter type:
For more information about the RFC protocol and destinations, see the
RFC documentation on SAP Help Portal.