Namespaces

Definition

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.

Use

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

Extension

Not supplied by SAP

No restrictions

Segment

E1

Z1 or prefix

Message type

A-X

Y-Z or prefix