+#define A1_POLICY_REQ 20010
+#define A1_POLICY_RESP 20011
+#define A1_POLICY_QUERY 20012
+
+
+// --- application specific message numbers 30000 - 39999
+
+#define TS_UE_LIST 30000 // traffic steering
+#define TS_QOE_PRED_REQ 30001
+#define TS_QUE_PREDICTION 30002
+