Update table IAOM_EXT_OBJ_INF, IAOM_ASSIGNMENTS and IAOM_CPRO_EXAT

[former_member611947]

Dear SAP Gurus,

As a part of our requirement, We are implementing standard Accounting integration
However, in the existing process we are using custom solution which makes use of the Object links and linking in PS is done by updating the GUIDs in table PRPS and PROJ.
The Project elements (Project, Tasks and Phases ) are already linked to the WBS in PS by updating the custom field in table PRPS and PROJ. Now , as per the new process, the accounitng integration is needed to be established betwen SAP PPM and PS , which is Ok. However, the Projects , who are already linked now need to linked as part of acounting integration. we have found that there are three tables, where the links are established as below in SAP PS :
IAOM_EXT_OBJ_INF, IAOM_ASSIGNMENTS and IAOM_CPRO_EXAT

Do you know any FM to update tables IAOM_EXT_OBJ_INF, IAOM_ASSIGNMENTS and IAOM_CPRO_EXAT? I remeber there is a FM IAOM_GET_ACCOUNT_ASSIGNMENT: to get the relationship but we would like to know any FM , which updates the link in above tables.

Please suggest.