Provide a way for licensees to set a custom class for DataLayerInstanceWithAsset.

UCLASS(BlueprintType, MinimalAPI)
class UQAGameDataLayerInstanceWithAsset : public UDataLayerInstanceWithAsset
{
GENERATED_BODY()
 
UFUNCTION(Category = "Data Layer|Runtime", BlueprintCallable)
virtual FString GetMyString() const { return MyString; }
 
private:
UPROPERTY(Category = "Data Layer", EditAnywhere)
FString MyString;
}; 

[/Script/Engine.DataLayerManager]
DataLayerInstanceWithAssetClass = /Script/QAGame.QAGameDataLayerInstanceWithAsset