diff --git a/CDT-contentInstance.xsd b/CDT-contentInstance.xsd
index 3b03195c8d7b8a3765d8ce71fd21bd869d9ea4ab..6c1203e671b15f4be39cf6143583c6306ab4da40 100644
--- a/CDT-contentInstance.xsd
+++ b/CDT-contentInstance.xsd
@@ -45,6 +45,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 						<xs:element name="contentRef" type="m2m:contentRef" minOccurs="0"/>
 						<xs:element name="ontologyRef" type="xs:anyURI" minOccurs="0" />
 						<xs:element name="content" type="xs:anyType" />
+						<xs:element name="deletionCnt" type="xs:positiveInteger" minOccurs="0" />
 						
 						<!-- Child Resources -->
 						<xs:choice minOccurs="0" maxOccurs="1">