title: How can I use Autodesk Forge APIs to extract metadata from an uploaded AutoCAD file into a web aplication?
body: <p>I want to upload a dwg file and extract the information of all the plane information (like surface, areas, attributes, tags, etc).</p>
  <p>How can I do? Which API I should use to do that?</p>
  <p>Thanks in advance.</p>