How to FindPropertyByName for struct attached to class?

Development Character & Animation
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1

I am working with the code below.
I am trying to simulate a PostEditChangeProperty event since I am modifying values in my own PostEditChangeProperty function. I was having problems with accessing properties from SkeletalMeshComponent->AnimationData. For some reason only the AnimToPlay is working and the SavedPosition is not found (FindPropertyByName returns null). I tried other properties from FSingleAnimationPlayData but it appears only the AnimToPlay returns a value. Any idea what I need to do? (lines 25-28)

#if WITH_EDITOR
void AToggleActor::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
{
	UProperty* PropertyThatChanged = PropertyChangedEvent.Property;

	if (PropertyThatChanged != NULL)
	{
		if (PropertyThatChanged->GetFName() == GET_MEMBER_NAME_CHECKED(AToggleActor, bActivated))
		{
			USkeletalMeshComponent* SkeletalMeshComponent = this->GetSkeletalMeshComponent();
			struct FSingleAnimationPlayData* SingleAnimationPlayData = &SkeletalMeshComponent->AnimationData;
			if (bActivated)
			{
				Activate();
				SingleAnimationPlayData->AnimToPlay = ActivateAnimation;
				SingleAnimationPlayData->SavedPosition = .2f;
			}
			else
			{
				Deactivate();
				SingleAnimationPlayData->AnimToPlay = DeactivateAnimation;
				SingleAnimationPlayData->SavedPosition = .2f;
			}

			FPropertyChangedEvent f = FPropertyChangedEvent(SkeletalMeshComponent->GetClass()->FindPropertyByName(GET_MEMBER_NAME_CHECKED(FSingleAnimationPlayData, SavedPosition)));
			SkeletalMeshComponent->PostEditChangeProperty(f);
			FPropertyChangedEvent e = FPropertyChangedEvent(SkeletalMeshComponent->GetClass()->FindPropertyByName(GET_MEMBER_NAME_CHECKED(FSingleAnimationPlayData, AnimToPlay)));
			SkeletalMeshComponent->PostEditChangeProperty(e);
		}
	}
	Super::PostEditChangeProperty(PropertyChangedEvent);
}
#endif