Right-click on the project folder, and select Select from workspace option in File Import Wizard window. Select the btt.xml from the newly created folder which contains your definition files.
in the pop menu. Then click theThe Outline View works in the Project Explorer view. Click
, expand and select .In the Project Explorer view, select Filters. In the Available Customizations window, click the Available Content tab. Then select BTT Content and click OK button.