Prevent auto-smoothing when importing from Blender?

I have a model I’d like to import to UE4 but I’m going for a “low-poly look” and want to keep the jagged and blocky design it has, but it keeps smoothing it out and giving it a weird look. Is there a way to import without the smoothing effects?

check this https://answers.unrealengine.com/questions/79571/disable-smoothing-in-unreal.html