diff --git a/CDT-commonTypes.xsd b/CDT-commonTypes.xsd
index 9b459b2349f83dde61396971f95d486afbca0444..1acaf12307c573fd115cb0d16a0c9daf335a0c65 100644
--- a/CDT-commonTypes.xsd
+++ b/CDT-commonTypes.xsd
@@ -480,6 +480,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 					</xs:restriction> 
 				</xs:simpleType>
 			</xs:element>
+			<xs:element name="groupRequestTargetMembers" type="m2m:listOfURIs" minOccurs="0"/>
 		</xs:sequence>
 	</xs:complexType>
 
diff --git a/CDT-requestPrimitive.xsd b/CDT-requestPrimitive.xsd
index 157df66455c6d67c2064a0f5ac639862632e4308..9d53289b0540219ed10302c2a755bea071dbabad 100644
--- a/CDT-requestPrimitive.xsd
+++ b/CDT-requestPrimitive.xsd
@@ -116,6 +116,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
           </xs:element>
           <!-- parameter "Token Request Indicator" -->
           <xs:element name="tokenRequestIndicator" type="xs:boolean" minOccurs="0"/>
+          <xs:element name="groupRequestTargetMembers" type="m2m:listOfURIs" minOccurs="0"/>       
         </xs:sequence> 	       
       </xs:complexType>
     </xs:element>