-S16 BuildAndSendE2SetupReq();
-S16 SendE2APMsg(Region , Pool );
-void E2APMsgHdlr(Buffer *mBuf);
+uint8_t BuildAndSendStatsReq(RicSubscription *ricSubscriptionInfo);
+uint8_t BuildAndSendRicSubscriptionRsp(PendingSubsRspInfo *subsRspInfo);
+uint8_t BuildAndSendRicSubscriptionFailure(RicRequestId ricReqId, uint16_t ranFuncId, E2FailureCause failureCause);
+uint8_t BuildAndSendRicIndication(RicSubscription *ricSubscriptionInfo, ActionInfo *actionInfo);
+uint8_t BuildAndSendRicSubscriptionDeleteResponse(uint16_t ranFuncId, RicRequestId requestId);
+uint8_t BuildAndSendRicSubscriptionDeleteFailure(uint16_t ranFuncId, RicRequestId requestId, E2FailureCause failureCause);