Index: sources/canbus/messagedispatcher.h
===================================================================
diff -u -r805119c460b4a266d6401c8705f4427e7fbe270f -r44a85c96ab55e424866ec4cca0270aa218355f82
--- sources/canbus/messagedispatcher.h	(.../messagedispatcher.h)	(revision 805119c460b4a266d6401c8705f4427e7fbe270f)
+++ sources/canbus/messagedispatcher.h	(.../messagedispatcher.h)	(revision 44a85c96ab55e424866ec4cca0270aa218355f82)
@@ -1,15 +1,16 @@
 /*!
- *
+ * 
  * Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
- * copyright
- *          THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM,
- *          IN PART OR IN WHOLE,
- *          WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
- *
- * file    messagepacker.h
- * date    12/9/2019
- * author  Behrouz NematiPour
- *
+ * \copyright
+ * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
+ * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
+ * 
+ * \file messagedispatcher.h
+ * \author (last) Peter Lucia
+ * \date (last) 25-Jun-2020
+ * \author (original) Behrouz NematiPour
+ * \date (original) 09-Dec-2019
+ * 
  */
 #pragma once
 
@@ -27,6 +28,7 @@
 // forward declarations
 class tst_canbus;
 class tst_acknow;
+class tst_messaging;
 
 // since this class is the interface between GUI and Can
 // it needs to use Gui namespace otherwise it makes code hard to read.
@@ -87,6 +89,7 @@
     // friends
     friend class ::tst_canbus;
     friend class ::tst_acknow;
+    friend class ::tst_messaging;
 
     QHash<Can_Id, MessageList> _messageList;
 
@@ -99,7 +102,14 @@
     QThread             *_thread = nullptr;
     bool                 _init   = false;
 
-    QList<GuiActionType> _needsAcknow {}; // no action needs Acknow for now
+    QList<GuiActionType> _needsAcknow {
+        GuiActionType::AdjustBloodDialysateReq          ,
+        GuiActionType::AdjustDurationReq                ,
+        GuiActionType::AlarmSilenceReq                  ,
+        GuiActionType::AdjustUltrafiltrationStateReq    ,
+        GuiActionType::AdjustUltrafiltrationEditReq     ,
+        GuiActionType::AdjustUltrafiltrationConfirmReq  ,
+    };
 
 // Singleton
 SINGLETON(MessageDispatcher)
@@ -175,6 +185,13 @@
      */
     void didFrameTransmit (Can_Id   vCan_Id,    const QByteArray &vPayload);
 
+    /*!
+     * \brief didFailedTransmit
+     * \details When a message fails to transmit to the HD, emit this signal.
+     * \param vSequence - The message Sequence we that failed to send.
+     */
+    void didFailedTransmit(Sequence vSequence);
+
 private slots:
     // A Frame has been received from CanInterface
     void onFrameReceive   (Can_Id   vCan_Id,    const QByteArray  &vPayload);
@@ -186,6 +203,10 @@
     // An Action has been requested to be transmitted.
     void onActionTransmit (GuiActionType vActionId, const QVariantList &vData);
 
+    // ---- Signal/Slots
+    ADJUST_TRANSMT_MODEL_BRIDGE_DEFINITIONS_NOEMIT
+    ACTION_RECEIVE_MODEL_BRIDGE_DEFINITIONS
+
 };
 
 }