diff --git a/src/gui/ctrl/core-service.hpp b/src/gui/ctrl/core-service.hpp
index d16fd7f76..de74771c0 100644
--- a/src/gui/ctrl/core-service.hpp
+++ b/src/gui/ctrl/core-service.hpp
@@ -40,6 +40,7 @@
  ** perspective, since they exchange messages in both directions.
  ** 
  ** @todo initial draft and WIP-WIP-WIP as of 12/2015
+ ** @todo implement a minimal version of a "Session subsystem" and instantiate SessionCommandService there ///////////TICKET #318
  ** 
  ** @see TODO_abstract-tangible-test.cpp
  ** 
@@ -53,6 +54,7 @@
 #include "lib/error.hpp"
 #include "include/logging.h"
 //#include "lib/idi/entry-id.hpp"
+#include "include/session-command-facade.h"
 #include "gui/notification-service.hpp"
 #include "gui/ctrl/bus-term.hpp"
 #include "gui/ctrl/nexus.hpp"
@@ -96,6 +98,7 @@ namespace ctrl{
       act (GenNode const& command)
         {
           UNIMPLEMENTED("receive and handle command invocation");
+                                                                  ///////////////////////////TICKET #318 : start SessionCommandService. Can then just invoke SessionCommand.facade()...
         }
       
       
@@ -111,7 +114,7 @@ namespace ctrl{
       CoreService (ID identity =lib::idi::EntryID<CoreService>())
         : BusTerm(identity, uiBusBackbone_)
         , uiBusBackbone_{*this}
-        , activateNotificationService_()             // opens the GuiNotification facade interface
+        , activateNotificationService_()             // opens the GuiNotificationService instance
         {
           INFO (gui, "UI-Backbone operative.");
         }
diff --git a/src/lumiera/main.cpp b/src/lumiera/main.cpp
index 69b5ecc22..fe4134b35 100644
--- a/src/lumiera/main.cpp
+++ b/src/lumiera/main.cpp
@@ -68,7 +68,7 @@ main (int argc, const char* argv[])
       netNode.depends (engine);
 //    playOut.depends (engine);
 //    playOut.depends (session);
-//    lumigui.depends (session);   //////TODO commented out in order to be able to start up a dummy GuiStarterPlugin
+//    lumigui.depends (session);    ////////////////////////////////////////////TICKET #318 : need to activate this again, after implementing minimal Session subsystem
 //    lumigui.depends (engine);
       player.depends (playOut);    //////TODO dummy player, until we're able to render
       lumigui.depends (player);
diff --git a/src/proc/control/session-command-service.cpp b/src/proc/control/session-command-service.cpp
index 39bc8d633..6876690b2 100644
--- a/src/proc/control/session-command-service.cpp
+++ b/src/proc/control/session-command-service.cpp
@@ -24,6 +24,8 @@
  ** Implementation of command invocation on the Session interface.
  ** This is the actual service implementation and runs within Session subsystem.
  ** 
+ ** @todo implement a minimal version of a "Session subsystem" and instantiate SessionCommandService there ///////////TICKET #318
+ ** 
  */
 
 #include "proc/control/session-command-service.hpp"
diff --git a/src/proc/facade.cpp b/src/proc/facade.cpp
index 203a5097a..03cea95ee 100644
--- a/src/proc/facade.cpp
+++ b/src/proc/facade.cpp
@@ -88,6 +88,7 @@ namespace proc {
         {
           UNIMPLEMENTED ("load an existing session as denoted by the options and register shutdown hook");
           return false;
+                                                  //////////////////////////////////////////////////////////TICKET #318 : start Thread and instantiate SessionCommandService
         }
       
       void
diff --git a/wiki/thinkPad.ichthyo.mm b/wiki/thinkPad.ichthyo.mm
index 6e6785161..d3f8906fd 100644
--- a/wiki/thinkPad.ichthyo.mm
+++ b/wiki/thinkPad.ichthyo.mm
@@ -217,9 +217,26 @@
   </body>
 </html>
 </richcontent>
-<node CREATED="1481320843596" ID="ID_7225903" MODIFIED="1481320847199" TEXT="definieren"/>
-<node CREATED="1481320847724" ID="ID_545146501" MODIFIED="1481320850327" TEXT="wo ansiedeln"/>
-<node CREATED="1481320850779" ID="ID_1632600003" MODIFIED="1481320854143" TEXT="hochfahren"/>
+<node COLOR="#338800" CREATED="1481320843596" ID="ID_7225903" MODIFIED="1481509899511" TEXT="definieren">
+<icon BUILTIN="button_ok"/>
+</node>
+<node CREATED="1481320847724" ID="ID_545146501" MODIFIED="1481320850327" TEXT="wo ansiedeln">
+<node CREATED="1481509901926" ID="ID_1612540786" MODIFIED="1481509907305" TEXT="in proc::control"/>
+<node CREATED="1481509908527" ID="ID_1079488123" MODIFIED="1481509915351" TEXT="wo implementieren">
+<icon BUILTIN="help"/>
+</node>
+</node>
+<node CREATED="1481320850779" ID="ID_1632600003" MODIFIED="1481320854143" TEXT="hochfahren">
+<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1481509921211" ID="ID_1515469097" MODIFIED="1481510272928" TEXT="TODO: Session-Subsystem implementieren (#318)">
+<icon BUILTIN="flag-yellow"/>
+</node>
+<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1481510231986" ID="ID_45803267" MODIFIED="1481510243425" TEXT="TODO: dort SessionCommandService instantiieren">
+<icon BUILTIN="flag-yellow"/>
+</node>
+<node CREATED="1481510244184" ID="ID_1521406724" MODIFIED="1481510260635" TEXT="kann dann in CoreService einfach &#xfc;ber die .facade() zugreifen">
+<icon BUILTIN="idea"/>
+</node>
+</node>
 </node>
 </node>
 <node CREATED="1481320870369" ID="ID_454465129" MODIFIED="1481320875916" TEXT="Rolle des &quot;Model&quot; kl&#xe4;ren"/>