diff --git a/gui/org.eclipse.papyrus.sysml14.ui/resources/properties/ui/SingleConstraintBlock.xwt b/gui/org.eclipse.papyrus.sysml14.ui/resources/properties/ui/SingleConstraintBlock.xwt
index a152e97..4cfe2a1 100644
--- a/gui/org.eclipse.papyrus.sysml14.ui/resources/properties/ui/SingleConstraintBlock.xwt
+++ b/gui/org.eclipse.papyrus.sysml14.ui/resources/properties/ui/SingleConstraintBlock.xwt
@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Composite xmlns:j="clr-namespace:java.lang"
+<Composite xmlns="http://www.eclipse.org/xwt/presentation"
+	xmlns:j="clr-namespace:java.lang"
+	xmlns:ppe="clr-namespace:org.eclipse.papyrus.infra.properties.ui.widgets"
 	xmlns:ppel="clr-namespace:org.eclipse.papyrus.infra.properties.ui.widgets.layout"
-	xmlns:x="http://www.eclipse.org/xwt" xmlns="http://www.eclipse.org/xwt/presentation"
-	xmlns:ppe="clr-namespace:org.eclipse.papyrus.infra.properties.ui.widgets">
+	xmlns:x="http://www.eclipse.org/xwt">
 	<Composite.layout>
 		<ppel:PropertiesLayout></ppel:PropertiesLayout>
 	</Composite.layout>
@@ -10,14 +11,17 @@
 		<Composite.layout>
 			<ppel:PropertiesLayout></ppel:PropertiesLayout>
 		</Composite.layout>
-		<ppe:StringEditor input="{Binding}" property="UML:NamedElement:name"></ppe:StringEditor>
+		<ppe:StringEditor input="{Binding}"
+			property="UML:NamedElement:name"></ppe:StringEditor>
 	</Composite>
 	<Composite>
 		<Composite.layout>
 			<ppel:PropertiesLayout numColumns="2"></ppel:PropertiesLayout>
 		</Composite.layout>
-		<ppe:BooleanRadio input="{Binding}" property="UML:Classifier:isAbstract"></ppe:BooleanRadio>
-		<ppe:BooleanRadio input="{Binding}" property="UML:Class:isActive"></ppe:BooleanRadio>
+		<ppe:BooleanRadio input="{Binding}"
+			property="UML:Classifier:isAbstract"></ppe:BooleanRadio>
+		<ppe:BooleanRadio input="{Binding}"
+			property="UML:Class:isActive"></ppe:BooleanRadio>
 		<ppe:BooleanRadio input="{Binding}"
 			property="SysML:Blocks:Block:isEncapsulated"></ppe:BooleanRadio>
 		<ppe:BooleanRadio input="{Binding}"
@@ -27,6 +31,12 @@
 		<Composite.layout>
 			<ppel:PropertiesLayout></ppel:PropertiesLayout>
 		</Composite.layout>
-		<ppe:EnumCombo input="{Binding}" property="UML:NamedElement:visibility"></ppe:EnumCombo>
-	</Composite>	
+		<ppe:EnumCombo input="{Binding}"
+			property="UML:NamedElement:visibility"></ppe:EnumCombo>
+		<ppe:MultiReference input="{Binding}"
+			property="UML:StructuredClassifier:ownedAttribute"
+			customLabel="Parameters"></ppe:MultiReference>
+		<ppe:MultiReference input="{Binding}"
+			property="UML:NamedElement:ownedRule" customLabel="Constraints"></ppe:MultiReference>
+	</Composite>
 </Composite>
\ No newline at end of file