context DocumentEntryOriginalProviderRole
inv: self.slot->select(sl : SlotType1 | (not (sl.name.oclIsUndefined())) and (sl.name = 'urn:e-health-suisse:2020:originalProviderRole'))->forAll(sl : SlotType1 | (not (sl.valueList.oclIsUndefined())) or sl.valueList.value->forAll(v : String | v->size()>0))