diff --git a/OneM2M_Types.ttcn b/OneM2M_Types.ttcn
index 5ada7f4a4b98cf1790b10c0ac5537dbc19e97ba8..87b3e3bae0e0858ba04fe0d1a3a7dd5b678a62b9 100644
--- a/OneM2M_Types.ttcn
+++ b/OneM2M_Types.ttcn
@@ -2030,7 +2030,7 @@ type record AccessControlRule
 		ResourceType resourceType optional,
 		XSD.AnyURI specializationID optional,
 		record length(1 .. infinity) of ResourceType childResourceType
-	} accessControlObjectDetails_list //TODO It should be optional
+	} accessControlObjectDetails_list optional//TODO It should be optional
 }
 with {
   variant "name as uncapitalized";
@@ -9026,4 +9026,6 @@ with {
   encode "XML";
   //variant "namespace as 'http://www.onem2m.org/xml/protocols' prefix 'm2m'";
   //variant "controlNamespace 'http://www.w3.org/2001/XMLSchema-instance' prefix 'xsi'";
-}
+  extension "anytype Resource, URI, Notification, AggregatedNotification, AggregatedResponse, ServiceSubscribedAppRule_optional, charstring, AnyURI, AttributeList, AE, AccessControlPolicy, AccessControlPolicy_optional, AccessControlPolicyAnnc_optional, AccessControlPolicy_invalid, AE_optional, AE_invalid,AEAnnc_optional, Container_optional, ContainerAnnc_optional, ContentInstanceAnnc_optional, CSEBase_optional, Container_invalid, ContentInstance_optional, Group_optional, Group_invalid,  GroupAnnc_optional, LocationPolicyAnnc_optional, MgmtResource_optional, AnnouncedMgmtResource_optional, Node_optional, NodeAnnc_optional, Schedule_optional, ScheduleAnnc_optional,  Schedule_invalid, Subscription_optional, Subscription_invalid, PollingChannel_optional, PollingChannel_invalid, LocationPolicy_optional, LocationPolicy_invalid, SemanticDescriptor_optional, FlexContainerResource_optional, GenericInterworkingOperationInstance_optional"
+  
+  }