Hi Sandeep,
Below are the Relationship related FMs.
| BAPI_BUPA_RELATIONSHIPS_GET | Determine All BP Relationships |
| BAPI_BUPR_RELATIONSHIP_CHANGE | Change General Relationship |
| BAPI_BUPR_RELATIONSHIP_CREATE | Create General Relationship |
| BAPI_BUPR_RELATIONSHIP_DELETE | Delete Relationship? |
| BAPI_BUPR_RELATIONSHIP_GET | Read General Relationship |
| BAPI_BUPR_RELATIONSHIP_REMOVE | Delete General Relationship |
Regards,
Ravi