diff --git a/103120/schema/ts_103120_Core.xsd b/103120/schema/ts_103120_Core.xsd
index 1105f2c296849ad9e6f75adf360432e0bfa9bc3e..c37a1d583d0c1b5e7c4aa6ddd08bbc1e0c5e3558 100644
--- a/103120/schema/ts_103120_Core.xsd
+++ b/103120/schema/ts_103120_Core.xsd
@@ -29,6 +29,7 @@
 			<xs:element name="TransactionIdentifier" type="etsi:UUID"/>
 			<xs:element name="Timestamp" type="etsi:QualifiedMicrosecondDateTime"/>
 			<xs:element name="Version" type="Version"/>
+			<xs:element name="MyNewField" type="xs:integer" minOccurs="0"/>
 		</xs:sequence>
 	</xs:complexType>
 	<xs:complexType name="Version">