Dear RIchard
may be: https://www.consolut.com/en/s/sap-ides-access/d/s/doc/YP-RELNEHS_BD_500_AUTH_OBJ
is of interest. If I remember correct: you can usethe objecs only if you have activated EnhPack 3.
So you need may be to consider C_SHES_TR2 as well (this is specification header).
C.B.