diff --git a/plugins/de.fraunhofer.ipa.ros.sirius/description/ros.odesign b/plugins/de.fraunhofer.ipa.ros.sirius/description/ros.odesign
index 06fa8c1a5..616adb96c 100644
--- a/plugins/de.fraunhofer.ipa.ros.sirius/description/ros.odesign
+++ b/plugins/de.fraunhofer.ipa.ros.sirius/description/ros.odesign
@@ -4,7 +4,7 @@
     <ownedRepresentations xsi:type="description_1:DiagramDescription" name="Artifact diagram" domainClass="ros::Artifact" enablePopupBars="true">
       <metamodel href="../../de.fraunhofer.ipa.ros/model/ros.ecore#/"/>
       <defaultLayer name="Default">
-        <containerMappings name="Node" semanticCandidatesExpression="feature:eAllContents" domainClass="ros::Node">
+        <containerMappings name="Node" semanticCandidatesExpression="feature:eAllContents" domainClass="ros::Node" childrenPresentation="List">
           <borderedNodeMappings name="RosPublisher" semanticCandidatesExpression="feature:eAllContents" domainClass="ros::Publisher">
             <style xsi:type="style:SquareDescription" labelSize="10" showIcon="false" tooltipExpression="Topic" resizeKind="NSEW" width="2" height="2">
               <borderColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
@@ -71,8 +71,8 @@
               <color xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='dark_green']"/>
             </style>
           </borderedNodeMappings>
-          <subNodeMappings name="ParametersNode" semanticCandidatesExpression="feature:parameter" domainClass="ros::Parameter">
-            <style xsi:type="style:WorkspaceImageDescription" labelSize="10" showIcon="false" iconPath="/de.fraunhofer.ipa.ros.sirius/icons/parameters.png" tooltipExpression="ComponentParameters" sizeComputationExpression="5" resizeKind="NSEW" workspacePath="/de.fraunhofer.ipa.ros.sirius/icons/parameters_scale.png">
+          <subNodeMappings name="ParametersNode" semanticCandidatesExpression="feature:parameter" doubleClickDescription="//@ownedViewpoints[name='component']/@ownedRepresentations[name='Artifact%20diagram']/@defaultLayer/@toolSections.0/@ownedTools[name='ParametersConfiguratorDoubleClick']" synchronizationLock="true" domainClass="ros::Parameter">
+            <style xsi:type="style:WorkspaceImageDescription" borderSizeComputationExpression="2" labelSize="10" iconPath="/de.fraunhofer.ipa.ros.sirius/icons/parameters.png" labelAlignment="LEFT" tooltipExpression="ComponentParameters" hideLabelByDefault="true" sizeComputationExpression="5" resizeKind="NSEW" workspacePath="/de.fraunhofer.ipa.ros.sirius/icons/parameters_scale.png">
               <borderColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
               <labelColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
             </style>
@@ -199,6 +199,16 @@
             </initialOperation>
           </ownedTools>
           <ownedTools xsi:type="tool_1:ExternalJavaAction" name="NewParameter" id="de.fraunhofer.ipa.ros.sirius.javaActionsNewParameter"/>
+          <!--ownedTools xsi:type="tool:DoubleClickDescription" name="ParametersConfiguratorDoubleClick" mappings="//@ownedViewpoints[name='component']/@ownedRepresentations[name='Artifact%20diagram']/@defaultLayer/@containerMappings[name='Node']/@subNodeMappings[name='ParametersNode']">
+            <element name="element"/>
+            <elementView name="elementView"/>
+            <initialOperation>
+              <firstModelOperations xsi:type="tool_1:ChangeContext" browseExpression="var:element">
+                <subModelOperations xsi:type="tool_1:ExternalJavaActionCall" name="Parameter Configurator" forceRefresh="true" elementsToSelect="var:element" icon="/de.fraunhofer.ipa.ros.sirius/icons/parameters_scale.png" action="//@ownedViewpoints[name='component']/@ownedRepresentations[name='Artifact%20diagram']/@defaultLayer/@toolSections.0/@ownedTools[name='ParameterEditor']"/>
+              </firstModelOperations>
+            </initialOperation>
+          </ownedTools>
+          <ownedTools xsi:type="tool_1:ExternalJavaAction" name="ParameterEditor" elementsToSelect="var:self" id="de.fraunhofer.ipa.ros.sirius.javaActionsParameterEditor"/-->
         </toolSections>
       </defaultLayer>
     </ownedRepresentations>
diff --git a/plugins/de.fraunhofer.ipa.ros.sirius/src/de/fraunhofer/ipa/ros/sirius/ExternalJavaActionNewParameter.java b/plugins/de.fraunhofer.ipa.ros.sirius/src/de/fraunhofer/ipa/ros/sirius/ExternalJavaActionNewParameter.java
index 8b22a9037..8ffef6878 100644
--- a/plugins/de.fraunhofer.ipa.ros.sirius/src/de/fraunhofer/ipa/ros/sirius/ExternalJavaActionNewParameter.java
+++ b/plugins/de.fraunhofer.ipa.ros.sirius/src/de/fraunhofer/ipa/ros/sirius/ExternalJavaActionNewParameter.java
@@ -5,39 +5,40 @@
 
 import org.eclipse.core.commands.ExecutionEvent;
 import org.eclipse.core.resources.IFile;
-import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.ecore.resource.Resource;
-import org.eclipse.emf.ecore.resource.ResourceSet;
-import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.sirius.tools.api.ui.IExternalJavaAction;
+import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.dialogs.ElementListSelectionDialog;
+
 import ros.Parameter;
-import ros.ParameterBoolean;
-import ros.ParameterStringType;
 import ros.ParameterType;
-import ros.impl.ParameterBooleanImpl;
+import ros.impl.ParameterArrayTypeImpl;
+import ros.impl.ParameterBase64TypeImpl;
 import ros.impl.ParameterBooleanTypeImpl;
 import ros.impl.ParameterDateTypeImpl;
 import ros.impl.ParameterDoubleTypeImpl;
-import ros.impl.ParameterImpl;
 import ros.impl.ParameterIntegerTypeImpl;
-import ros.impl.ParameterStringImpl;
 import ros.impl.ParameterStringTypeImpl;
-import ros.impl.ParameterTypeImpl;
 
 
 public class ExternalJavaActionNewParameter implements IExternalJavaAction { 
+
 	public IFile modelFile;
 	protected IWorkbench workbench;
 	protected IStructuredSelection selection;
 	//public static final List<String> FILE_EXTENSIONS = Collections.unmodifiableList(Arrays.asList(ComponentInterfaceEditorPlugin.INSTANCE.getString("_UI_ComponentInterfaceEditorFilenameExtensions").split("\\s*,\\s*")));
 	protected ExecutionEvent event;
+	EList<ParameterType> subtypes;
+	EList<String> subtypes_;
+	EList<Combo> combos;
+	EList<String> subtypes_string;
+
 	
 	public ExternalJavaActionNewParameter() {
 		// TODO Auto-generated constructor stub
@@ -60,28 +61,99 @@ public void execute(Collection<? extends EObject> arg0, Map<String, Object> arg1
 		Parameter param = param_collection.iterator().next();
 		ParameterType type = null;
 
-		dlg.setElements( new Object[] {"Boolean","String","Integer","Date","Double"});
+		dlg.setElements( new Object[] {"Boolean","String","Integer","Double","Base64", "Array"});/** "List","Struc","Date"*/
 		dlg.open();
 		
 		Object selected_type = dlg.getFirstResult();
-		if (selected_type.toString() == "Boolean") {
+		type = GetSelectedType(selected_type.toString(), activeShell);
+		/**if (selected_type.toString() == "List") {
+			type = new ParameterListTypeImpl();
+		}
+		if (selected_type.toString() == "Struc") {
+			type = new ParameterStructTypeImpl();
+		}*/
+		param.setType(type);
+	}
+	
+	@SuppressWarnings("null")
+	public ParameterType GetSelectedType(String selected_type, Shell activeShell) {
+		ParameterType type = null;
+		if (selected_type== "Boolean") {
 			type = new ParameterBooleanTypeImpl();
 		}
-		if (selected_type.toString() == "String") {
+		if (selected_type == "String") {
 			type = new ParameterStringTypeImpl();
 		}
-		if (selected_type.toString() == "Integer") {
+		if (selected_type == "Integer") {
 			type = new ParameterIntegerTypeImpl();
 		}
-		if (selected_type.toString() == "Date") {
+		/**if (selected_type == "Date") {
 			type = new ParameterDateTypeImpl();
-		}
+		}*/
 		if (selected_type.toString() == "Double") {
 			type = new ParameterDoubleTypeImpl();
 		}
-		param.setType(type);
+		if (selected_type.toString() == "Base64") {
+			type = new ParameterBase64TypeImpl();
+		}
+		if (selected_type.toString() == "Array") {
+			ParameterType subtype = null;
+			type = new ParameterArrayTypeImpl();
+			ElementListSelectionDialog dlg = new ElementListSelectionDialog(activeShell, new LabelProvider());
+			dlg.setTitle("ArraySubtype");
+			dlg.setMessage("Select a type for the elements of your Array:");
+			dlg.setElements( new Object[] {"Boolean","String","Integer","Date","Double","Base64", "List", "Array","Struc"});
+			dlg.open();
+			Object selected_subtype = dlg.getFirstResult();
+			subtype = GetSelectedType(selected_subtype.toString(), activeShell);
+			((ParameterArrayTypeImpl) type).setType(subtype);
+		}
+		/**if (selected_type.toString() == "List") {
+			EList<Combo> combos = null;
+			type = new ParameterListTypeImpl();
 
+			InputDialog dlg = new InputDialog(activeShell, "Lenght of the list parameter", null, "2",null);
+	    	int lenght = 0;
+		    if (dlg.open() == 0) {
+		    	String param = dlg.getValue();
+		    	try {
+		    		lenght = Integer.parseInt(param);
+		    	} catch (NumberFormatException e){
+		    		 lenght = 1;
+		    	}
+		    }	
+	    	for (int i=1;i<lenght+1;i++) {
+	    		subtypes.add(GetSelectedType("String",activeShell));
+	    	}
+		    	
+	        GridLayout gridLayout = new GridLayout();
+	        gridLayout.numColumns = 1;
+	        activeShell.setLayout(gridLayout);
+    	    new Label(activeShell, SWT.NULL).setText("List parameter definition: ");
+    		Combo combo = new Combo(activeShell, SWT.DOWN);
 
-}
+	    	for (int i=1;i<lenght+1;i++) {
+	    		String items[] = { "Boolean","String","Integer","Date","Double","Base64"};
+	    		GridData gridData = new GridData(GridData.CENTER);
+	    		gridData.horizontalSpan = 1;
+	    	    new Label(activeShell, SWT.NULL).setText("Type element "+ i +" :");
+	    		combo.setItems(items);
+	    		combo.setLayoutData(gridData);
+			    activeShell.pack();
+			    activeShell.open();
+	    	}
+
+		    while (!activeShell.isDisposed()) {
+		    	if (!activeShell.getDisplay().readAndDispatch ()) 
+		    		activeShell.getDisplay().sleep ();
+		     }
+
+		    for (int i=0; i<subtypes.size(); i++) {
+		    	((ParameterListTypeImpl) type).getSequence().add(subtypes.get(i));
+		    }
+		}*/
+
+		return type;
+	}
 }
 
diff --git a/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterArrayTypeImpl.java b/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterArrayTypeImpl.java
index 504be8f55..9febb0fba 100644
--- a/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterArrayTypeImpl.java
+++ b/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterArrayTypeImpl.java
@@ -55,7 +55,7 @@ public class ParameterArrayTypeImpl extends ParameterTypeImpl implements Paramet
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
-	protected ParameterArrayTypeImpl() {
+	public ParameterArrayTypeImpl() {
 		super();
 	}
 
diff --git a/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterBase64TypeImpl.java b/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterBase64TypeImpl.java
index 2ded72d34..746fce600 100644
--- a/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterBase64TypeImpl.java
+++ b/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterBase64TypeImpl.java
@@ -43,7 +43,7 @@ public class ParameterBase64TypeImpl extends ParameterTypeImpl implements Parame
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
-	protected ParameterBase64TypeImpl() {
+	public ParameterBase64TypeImpl() {
 		super();
 	}
 
diff --git a/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterListTypeImpl.java b/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterListTypeImpl.java
index 619a1a30a..1ffa7a6ff 100644
--- a/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterListTypeImpl.java
+++ b/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterListTypeImpl.java
@@ -62,7 +62,7 @@ public class ParameterListTypeImpl extends ParameterTypeImpl implements Paramete
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
-	protected ParameterListTypeImpl() {
+	public ParameterListTypeImpl() {
 		super();
 	}
 
diff --git a/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterStructTypeImpl.java b/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterStructTypeImpl.java
index b154e82ed..f2376dbf7 100644
--- a/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterStructTypeImpl.java
+++ b/plugins/de.fraunhofer.ipa.ros/src/ros/impl/ParameterStructTypeImpl.java
@@ -47,7 +47,7 @@ public class ParameterStructTypeImpl extends ParameterTypeImpl implements Parame
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
-	protected ParameterStructTypeImpl() {
+	public ParameterStructTypeImpl() {
 		super();
 	}