It can be inherited from to provide additional data to another world condition schema inheriting from USmartObjectWorldConditionSchema. e.g. UCLASS() class USmartObjectWorldConditionExtendedSchema : public USmartObjectWorldConditionSchema { ... USmartObjectWorldConditionExtendedSchema(const FObjectInitializer& ObjectInitializer) : Super(ObjectInitializer) { OtherActorRef = AddContextDataDesc(TEXT("OtherActor"), AActor::StaticClass(), EWorldConditionContextDataType::Dynamic); }