Index: trunk/quest-ui-core/src/main/java/de/ugoe/cs/quest/ui/GlobalDataContainer.java
===================================================================
--- trunk/quest-ui-core/src/main/java/de/ugoe/cs/quest/ui/GlobalDataContainer.java	(revision 655)
+++ trunk/quest-ui-core/src/main/java/de/ugoe/cs/quest/ui/GlobalDataContainer.java	(revision 658)
@@ -12,4 +12,5 @@
 
 import de.ugoe.cs.quest.SequenceInstanceOf;
+import de.ugoe.cs.quest.eventcore.guimodel.GUIModel;
 import de.ugoe.cs.quest.usageprofiles.IStochasticProcess;
 
@@ -212,4 +213,21 @@
 		return modelNames;
 	}
+	
+	/**
+	 * <p>
+	 * Returns the keys of all {@link GUIModel}s contained in the storage.
+	 * </p>
+	 *
+	 * @return keys of all {@link GUIModel}s contained in the storage
+	 */
+	public Collection<String> getAllGUIModelNames() {
+	    Collection<String> modelNames = new LinkedList<String>();
+	    for(Entry<String, Object> entry : dataObjects.entrySet()) {
+	        if( entry.getValue() instanceof GUIModel ) {
+	            modelNames.add(entry.getKey());
+	        }
+	    }
+	    return modelNames;
+	}
 
 	/**