Windchill REST Services > Windchill REST Services Domain Capabilities > Examples for Basic REST Operations > Examples for the PTC CAD Document Management Domain > Retrieving Source Information for a Specific Image CAD Document
  
Retrieving Source Information for a Specific Image CAD Document
This example shows you how to retrieve the source CAD document for a specific image CAD document. Use the following GET request.
URI
GET /Windchill/servlet/odata/v1/CADDocumentMgmt/CADDocuments('OR%3Awt.epm.EPMDocument%3A167183')?$expand=DerivedSources($expand=SourceCADDocuments) HTTP/1.1