static [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [IPropertyTypeCustomization](API\Editor\PropertyEditor\IPropertyTypeCustomization) > MakeInstance ( [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< [UNiagaraSystem](API\Plugins\Niagara\UNiagaraSystem) > InSystem, [FVersionedNiagaraEmitterWeakPtr](API\Plugins\Niagara\FVersionedNiagaraEmitterWeakPtr) InEmitter )