Customer developments and SAP developments take place in different namespaces, which are defined by the permitted initial letters of the respective development objects. From Release 4.0 onwards, customer prefixes and SAP prefixes, for example, /sap/ or /<customer>/, are also supported.
The following table contains a list of the namespaces for the relevant development objects in the IDoc interface.
Object |
SAP names start with... |
Customer names start with... |
Basic type |
A-X or SAP prefix |
Y-Z or prefix |
Enhancement |
Not supplied by SAP |
No restrictions |
Segment |
E1 |
Z1 or prefix |
Message type |
A-X |
Y-Z or prefix |