diff --git a/share/doc/xsd/hook_message_state.xsd b/share/doc/xsd/hook_message_state.xsd
index 9131c1e053..54ab82d241 100644
--- a/share/doc/xsd/hook_message_state.xsd
+++ b/share/doc/xsd/hook_message_state.xsd
@@ -10,15 +10,19 @@
             <xs:restriction base="xs:string">
             <xs:enumeration value="VM"/>
             <xs:enumeration value="HOST"/>
+            <xs:enumeration value="IMAGE"/>
+            <xs:enumeration value="VNET"/>
             </xs:restriction>
           </xs:simpleType>
         </xs:element>
         <xs:element name="STATE" type="xs:string"/>
         <xs:element name="LCM_STATE" type="xs:string" maxOccurs="1" minOccurs="0"/>
         <xs:element name="REMOTE_HOST" type="xs:string" maxOccurs="1" minOccurs="0"/>
-         <!-- The template of the resource (VM or Host) is included here -->
+         <!-- The template of the resource (VM, Host, Image or VNet) is included here -->
          <xs:element ref="HOST" maxOccurs="1" minOccurs="0"/>
          <xs:element ref="VM" maxOccurs="1" minOccurs="0"/>
+         <xs:element ref="IMAGE" maxOccurs="1" minOccurs="0"/>
+         <xs:element ref="VNET" maxOccurs="1" minOccurs="0"/>
       </xs:sequence>
     </xs:complexType>
   </xs:element>