diff --git a/CDT-commonTypes.xsd b/CDT-commonTypes.xsd
index ce36f18ce4fb6781aa244424e99e10cc55fa9d32..c96c14f11c62c80f4d35405850f02c12fdf39e73 100644
--- a/CDT-commonTypes.xsd
+++ b/CDT-commonTypes.xsd
@@ -624,6 +624,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 				</xs:simpleType>
 			</xs:element>
 			<xs:element name="groupRequestTargetMembers" type="m2m:listOfURIs" minOccurs="0"/>			
+			<xs:element name="groupSomecastTargetNumber" type="xs:positiveInteger" minOccurs="0"/>			
 			<xs:element name="authorSignIndicator" type="xs:boolean" minOccurs="0"/>
 			<xs:element name="authorSigns" type="m2m:signatureList" minOccurs="0"/>
 			<xs:element name="authorRelIndicator" type="xs:boolean" minOccurs="0"/>