How to cast a variable to an Actor? C++

BaseActor.h

	/*Used to get Reference of the AMyActor*/
	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Category = "Default")
	AMyActor* ObjectRefference;
	
	/*Used to attach default mesh*/
	UFUNCTION(BlueprintCallable, Category = "Component Update")
	void CheckNulled(AMyActor* ActorRefference);

BaseActor.cpp

	void ABaseActor::CheckNulled(AMyActor* ActorRefference)
	{

		ObjectRefference = ActorRefference;

		if (ObjectRefference == nullptr)
		{
			print("ObjectRefference is Nullptr"); 
			return;
		}
		else
		{ 
			print("ObjectRefference is not Nullptr"); 
		}

	}