diff --git a/ttcn/LibIts_Interface.ttcn b/ttcn/LibIts_Interface.ttcn
index cfd944ce4611cd189cd48b9751a648001e7c42af..d51dda5ff04606991790ac93a7e5f105fba53e6d 100644
--- a/ttcn/LibIts_Interface.ttcn
+++ b/ttcn/LibIts_Interface.ttcn
@@ -14,6 +14,9 @@ module LibIts_Interface {
     // LibCommon
     import from LibCommon_Time {modulepar all};
     
+    // CAM ASN1 definitions
+    import from CAM_PDU_Descriptions language "ASN.1:1997" all;
+    
 	group adapterInterface {
 	        
     	group portDefinitions {
@@ -286,12 +289,14 @@ module LibIts_Interface {
 				 * @desc FA1 CAM Indication Primitive 
 				 */
 				type record CamInd {
+				    CoopAwareness msgIn
 				}
 					
 				/**
 				 * @desc FA1 CAM Request Primitive 
 				 */
 				type record CamReq {
+				    CoopAwareness msgOut
 				}
 
 				/**