REFERENCE(PF_SOURCE_PHIO) TYPE DMS_PHIO-PH_OBJID OPTIONAL
REFERENCE(PFX_PHIO) TYPE DMS_PHIO-PH_OBJID
REFERENCE(PF_PHIO) LIKE DMS_PHIO-PH_OBJID
REFERENCE(PF_SOURCE_PHIO) TYPE DMS_PHIO-PH_OBJID