diff --git a/33128/r17/urn_3GPP_ns_li_3GPPX1Extensions.xsd b/33128/r17/urn_3GPP_ns_li_3GPPX1Extensions.xsd
index 2a89264314fc125b1b16660797a6e126b2bcd47c..771cb048190dee66339dde946b369a06eb6b0c83 100644
--- a/33128/r17/urn_3GPP_ns_li_3GPPX1Extensions.xsd
+++ b/33128/r17/urn_3GPP_ns_li_3GPPX1Extensions.xsd
@@ -276,5 +276,23 @@
       <xs:maxInclusive value="255"/>
     </xs:restriction>
   </xs:simpleType>
+  
+  <xs:element name="RCSTargetIdentifierExtensions" type="RCSTargetIdentifierExtensions"></xs:element>
+
+  <xs:complexType name="RCSTargetIdentifierExtensions">
+    <xs:sequence>
+      <xs:element name="RCSTargetIdentifier" type="RCSTargetIdentifier" minOccurs="1" maxOccurs="unbounded"></xs:element>
+    </xs:sequence>
+  </xs:complexType>
+
+  <xs:complexType name="RCSTargetIdentifier">
+    <xs:choice>
+      <xs:element name="RCSContentURI" type="RCSContentURI"></xs:element>
+    </xs:choice>
+  </xs:complexType>
+
+  <xs:simpleType name="RCSContentURI">
+    <xs:restriction base="xs:anyURI"></xs:restriction>
+  </xs:simpleType>
 
-</xs:schema>
\ No newline at end of file
+</xs:schema>