Retrieve list of linked documents in SAP

When working with SAP systems, retrieving linked documents is a common requirement for various business processes. SAP provides several RFC (Remote Function Call) modules specifically designed to fetch document lists and their associations with business objects.

Available RFC Functions for Document Retrieval

There are multiple RFC functions available to fetch the list of documents in SAP. You can try any permutation and combination to identify which suits your specific requirement ?

• BAPI_MATERIAL_GETLIST ? Retrieves material documents and their associated links
• BAPI_DOCUMENT_GETOBJECTDOCS ? Gets documents linked to specific business objects
• BAPI_DOCUMENT_GETOBJECTLINKS ? Fetches object links for document relationships
• BAPI_DOCUMENT_GETDETAIL ? Provides detailed information about specific documents

Recommended Approach

For most document retrieval scenarios, BAPI_DOCUMENT_GETOBJECTDOCS is the preferred choice. This function module effectively retrieves documents that are linked to business objects and has proven reliable in various implementation scenarios.

Example Usage

Here's a basic example of how to use BAPI_DOCUMENT_GETOBJECTDOCS in your ABAP code ?

CALL FUNCTION 'BAPI_DOCUMENT_GETOBJECTDOCS'
  EXPORTING
    objecttype = 'MATERIAL'
    objectkey  = '000000000012345678'
  TABLES
    objectdocs = lt_documents
    return     = lt_return.

This function call will populate the lt_documents table with all documents linked to the specified material object.

Implementation Considerations

When implementing document retrieval functionality, consider the following factors ?

• Define the appropriate object type and object key for your specific business requirement
• Handle the return parameters properly to manage any errors or warnings
• Test with different object types to ensure the chosen RFC function meets your needs

Conclusion

SAP provides multiple RFC functions for retrieving linked documents, with BAPI_DOCUMENT_GETOBJECTDOCS being the most versatile option for general document retrieval requirements.