[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(MinimalAPI) class UNiagaraStackObject : public [UNiagaraStackItemContent](API\Plugins\NiagaraEditor\ViewModels\Stack\UNiagaraStackItemContent), public [FNotifyHook](API\Runtime\CoreUObject\Misc\FNotifyHook)