Maintain screen for object link
In the standard SAP System you can link document info records with different SAP objects. You can maintain the link while either processing the document info record or when maintaining the master record of the object (such as material, equipment). The maintenance of the object specific key data is done on object spec ific screens.
These screens exist in the standard SAP System for all objects that support links; this means you only carry out this taks for verification that it works.
This activity is only necessary when you want to create more object links in your company.
Requirements
When you want to create more object links in
the standard SAP System you must create additional screens for these
objects.
More notes about object links and their screens can be found in 
Determine object link.
Standard Settings
In the standard SAP System some assignment exist that can only be used internally (for example, by the CAD coupling for Digital Mock-up Viewing of assemblies):
- STKO_DOC for the assignment to a BOM header
- STPO_DOC for the assignment to a BOM item
Do not change and entries that have not created yourself.
Activities
If the screen entry contains errors or you want to add a new entry you can check existing screen as follows:
- Start a second mode and execute the following steps:
- Start the Object Navigator.
- Display the objects for development class CV
- Expand the function group 130
- Find the screen for the object link (such as 1201 for material link).
- Process the activity Maintain screen for object link in the first mode.
- Correct the entry or add an entry for the the object you want to add to the document link.