How to find all roles which contain the object I_BEGRP where the field BEGRP has the value XYZ?
1) In general: Check in table USORG if the field of the object is an org. field.
2) If yes: Search in table AGR_1252 with the following selection:
VARBL = $BEGRP
LOW = XYZ
3) If not: Search in table AGR_1251 and select for the object in question, field and field values (use LOW for specific values and for ranges use LOW and HIGH)