Plugin - Manual installation
Plugin files should be installed under "%USERPROFILE%\AppData\Roaming\SketchUp\SketchUp 2020\SketchUp\Plugins"
Plugin files are built into: C:\ue\main\Engine\Binaries\Win64\SketchUpRuby\2020\Plugin
Install by copying contents of the Plugin folder directly into Plugins folder of SketchUp. I.e. omit Plugin folder itself, copy only it's contents.
Resulting directory layout:
"%USERPROFILE%\AppData\Roaming\SketchUp\SketchUp 2020\SketchUp\Plugins" UnrealDatasmithSketchUp2020.rb UnrealDatasmithSketchUp2020/ DatasmithSketchUpRuby2020.so plugin_main.rb
Plugin usage
Plugin should load automatically and present two buttons - one is to export current datasmith scene into a file(currently temp directory) another updates DirectLink