Send to UE Add On

Has anyone used the add on for sending from Blender to Unreal Engine called Send to UE? There appears to be no documentation. It works but there are a few questions realating to path assignment I cant seem to find answers to.

UnReal is advertising the YOuTube video on their page

https://www.unrealengine.com/en-US/blog/download-our-new-blender-addons

Also via their:

you get to :