diff --git a/CDT-AE.xsd b/CDT-AE.xsd
index 75ebd80d4e4dc8c3d025b8f84ce73b33836e3baa..9aecd2633e0dee95accd9e84ef692e2e70b1d72c 100644
--- a/CDT-AE.xsd
+++ b/CDT-AE.xsd
@@ -64,6 +64,8 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 						<xs:element name="sessionCapabilities" type="m2m:sessionCapabilities" minOccurs="0" />
 						<xs:element name="triggerEnable" type="xs:boolean" minOccurs="0" />
 						<xs:element name="activityPatternElements" type="m2m:activityPatternElements" minOccurs="0" />
+						<xs:element name="Trigger-Recipient-ID" type="m2m:triggerRecipientID" minOccurs="0" />
+						<xs:element name="triggerReferenceNumber" type="xs:unsignedInt" minOccurs="0" />
 
 						<!-- Child Resources -->
 						<xs:choice minOccurs="0" maxOccurs="1">
@@ -113,7 +115,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 						<xs:element name="sessionCapabilities" type="m2m:sessionCapabilities" minOccurs="0" />
 						<xs:element name="triggerEnable" type="xs:boolean" minOccurs="0" />
 						<xs:element name="activityPatternElements" type="m2m:activityPatternElements" minOccurs="0" />
-
+						
 						<!-- Child Resources -->
 						<xs:choice minOccurs="0" maxOccurs="1">
 							<xs:element name="childResource" type="m2m:childResourceRef" minOccurs="1" maxOccurs="unbounded" />