diff --git a/3.2/itop_design.xsd b/3.2/itop_design.xsd
index 0ae6395..860a6fc 100644
--- a/3.2/itop_design.xsd
+++ b/3.2/itop_design.xsd
@@ -26,7 +26,7 @@
                                         <xs:element name="properties" minOccurs="0">
                                             <xs:complexType>
                                                 <xs:all>
-                                                    <xs:element name="is_link" type="xs:byte" minOccurs="0" />
+                                                    <xs:element name="is_link" type="zeroOrOneEnumeration" minOccurs="0" />
                                                     <xs:element name="comment" type="xs:string" minOccurs="0" />
                                                     <xs:element name="category" type="xs:string" minOccurs="0" />
                                                     <xs:element name="abstract" type="xs:boolean" minOccurs="0" />
@@ -1262,6 +1262,22 @@
                                                 </xs:sequence>
                                             </xs:complexType>
                                         </xs:element>
+                                        <xs:element name="arguments" minOccurs="0">
+                                            <xs:complexType>
+                                                <xs:sequence maxOccurs="unbounded">
+                                                    <xs:element name="argument">
+                                                        <xs:complexType>
+                                                            <xs:all>
+                                                                <xs:element name="description" type="xs:string" minOccurs="0" />
+                                                                <xs:element name="type" type="xs:string" minOccurs="0" />
+                                                            </xs:all>
+                                                            <xs:attribute name="id" type="xs:string" use="required" />
+                                                            <xs:attributeGroup ref="alteredNode" />
+                                                        </xs:complexType>
+                                                    </xs:element>
+                                                </xs:sequence>
+                                            </xs:complexType>
+                                        </xs:element>
                                         <xs:element name="replaces" type="xs:string" minOccurs="0" />
                                         <xs:element name="event_data" minOccurs="0">
                                             <xs:complexType>
diff --git a/test/datamodel.must-validate.xml b/test/datamodel.must-validate.xml
index 85109fb..f21e63f 100644
--- a/test/datamodel.must-validate.xml
+++ b/test/datamodel.must-validate.xml
@@ -1101,6 +1101,23 @@
                 </event_datum>
             </event_data>
         </event>
+        <event id="EVENT_DISPLAY_OBJECT_DETAILS" _delta="define">
+            <name>Portal object displayed</name>
+            <description><![CDATA[An object details is about to be displayed to a user on a portal]]></description>
+            <sources>
+                <source id="cmdbAbstractObject">cmdbAbstractObject</source>
+            </sources>
+            <arguments>
+                <argument id="object">
+                    <description>The object displayed</description>
+                    <type>DBObject</type>
+                </argument>
+                <argument id="debug_info">
+                    <description>Debug string</description>
+                    <type>string</type>
+                </argument>
+            </arguments>
+        </event>
     </events>
     <!-- ***************** Event Listeners ***************** -->
     <event_listeners>