Index: /trunk/src/VBox/Frontends/VirtualBox/src/wizards/addcloudvm/UIWizardAddCloudVM.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/wizards/addcloudvm/UIWizardAddCloudVM.cpp	(revision 83669)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/wizards/addcloudvm/UIWizardAddCloudVM.cpp	(revision 83670)
@@ -23,4 +23,5 @@
 
 /* COM includes: */
+#include "CCloudMachine.h"
 #include "CProgress.h"
 
@@ -75,6 +76,9 @@
     foreach (const QString &strInstanceName, field("instanceIds").toStringList())
     {
+        CCloudMachine comMachine;
+
         /* Initiate cloud VM add procedure: */
-        CProgress comProgress = comClient.AddCloudMachine(strInstanceName);
+        CProgress comProgress = comClient.AddCloudMachine(strInstanceName, comMachine);
+        RT_NOREF(comMachine);
         if (!comClient.isOk())
         {
Index: /trunk/src/VBox/Main/idl/VirtualBox.xidl
===================================================================
--- /trunk/src/VBox/Main/idl/VirtualBox.xidl	(revision 83669)
+++ /trunk/src/VBox/Main/idl/VirtualBox.xidl	(revision 83670)
@@ -26680,5 +26680,5 @@
 
   <interface name="ICloudMachine" extends="$unknown"
-             uuid="bcb7c6d6-7a6e-11ea-9839-7f4258c13c14"
+             uuid="bcc71a82-7b27-11ea-8c77-2b2257f699a6"
              wsmap="managed"
              reservedMethods="16" reservedAttributes="8">
@@ -26790,5 +26790,13 @@
       <param name="progress" type="IProgress" dir="return">
         <desc>
-        Progress object to track the operation completion.
+          Progress object to track the operation completion.
+        </desc>
+      </param>
+    </method>
+
+    <method name="unregister" wrap-hint-server="limitedcaller,passcaller">
+      <param name="progress" type="IProgress" dir="return">
+        <desc>
+          Progress object to track the operation completion.
         </desc>
       </param>
@@ -26940,5 +26948,4 @@
         </desc>
       </param>
-      <!--
       <param name="machine" type="ICloudMachine" dir="out">
         <desc>
@@ -26946,5 +26953,4 @@
         </desc>
       </param>
-      -->
       <param name="progress" type="IProgress" dir="return">
         <desc>Progress object to track the operation completion.</desc>