Hit register and implementations

AFallingActor::AFallingActor()
{
    // Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
    PrimaryActorTick.bCanEverTick = true;

    //Initialize a StaticMeshComponent
    SM = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("CubeSM"));

    //Enable physics so the cube will fall
    SM->SetSimulatePhysics(true);

    //You only need to register the OnHit function
    SM->OnComponentHit.AddDynamic(this, &AFallingActor::OnHit);
}

void AFallingActor::OnHit(AActor* OtherActor, UPrimitiveComponent* OtherComp, FVector NormalImpulse, const FHitResult& Hit)
{
    GLog->Log(*OtherActor->GetName());
}

void AFallingActor::ReceiveHit(UPrimitiveComponent* MyComp, AActor* OtherActor, UPrimitiveComponent* OtherComp, FVector NormalImpulse, const FHitResult& Hit)
{
    GLog->Log(*OtherActor->GetName());
}