--- a/Framework/Oracle/WebAssemblyOracle.h	Fri May 31 09:12:05 2019 +0200
+++ b/Framework/Oracle/WebAssemblyOracle.h	Fri May 31 10:30:22 2019 +0200
@@ -59,11 +59,18 @@
     void Execute(const IObserver& receiver,
                  GetOrthancWebViewerJpegCommand* command);
 
+    std::string orthancRoot_;
+
   public:
     WebAssemblyOracle(MessageBroker& broker) :
       IObservable(broker)
     {
     }
+
+    void SetOrthancRoot(const std::string& root)
+    {
+      orthancRoot_ = root;
+    }
     
     virtual void Schedule(const IObserver& receiver,
                           IOracleCommand* command);