Index: sources/view/hd/alarm/VAlarmStatus.cpp
===================================================================
diff -u -r0f83de066c8a116195a3cc60577d597ef9654c55 -ra6b0dd1e380125fc9128dbe882c6eaf488098c3d
--- sources/view/hd/alarm/VAlarmStatus.cpp	(.../VAlarmStatus.cpp)	(revision 0f83de066c8a116195a3cc60577d597ef9654c55)
+++ sources/view/hd/alarm/VAlarmStatus.cpp	(.../VAlarmStatus.cpp)	(revision a6b0dd1e380125fc9128dbe882c6eaf488098c3d)
@@ -14,6 +14,10 @@
  */
 #include "VAlarmStatus.h"
 
+// Qt
+#include <QtEndian>
+#include <QRegularExpression>
+
 // Project
 #include "GuiController.h"
 #include "Settings.h"
@@ -26,6 +30,9 @@
     ADJUST_VIEW_CONNECTION(AlarmSilenceRequestData          );
     ADJUST_VIEW_CONNECTION(AlarmUserActionRequestData       );
 
+    connect(&_GuiController, SIGNAL(didActionReceive (GuiActionType, const QVariantList &)),
+            this           ,   SLOT( onActionReceive (GuiActionType, const QVariantList &)));
+
     _instructionsList.setRoleNames({
         { eRole_Instruction              , "instruction"    },
         { eRole_Image                    , "image"          },
@@ -228,11 +235,10 @@
 
 
                 QFileInfo fileInfo(imagePath);
-
                 QHash<int, QVariant> instructionStep;
-                instructionStep.insert(eRole_Instruction, key);
+                QStringList updatedKey = updateReplacements(group, key, id, instructionData.count());
+                instructionStep.insert(eRole_Instruction, updatedKey);
                 instructionStep.insert(eRole_Image, fileInfo.exists() && fileInfo.isFile() ? "file:" + imagePath : "") ;
-
                 instructionData.append(instructionStep);
                 alarmData.instructions  = instructionData;
             }
@@ -249,3 +255,82 @@
     }
     emit alarm_AlarmIDChanged(_alarm_AlarmID); // to get the dialog content in sync with the Alarm.conf in case there is an early alarm.
 }
+
+QStringList VAlarmStatus::updateReplacements(const QString &vGroup, const QString &vKey, const int &vAlarmID, const int &vIndex)
+{
+    QRegExp regx("\\{\\s*\\d+\\s*:\\s*\\d+\\s*:\\s*\\w*\\s*:\\s*\\d*\\s*\\}");
+    QString key = vKey;
+    int replacementCount = key.count(regx);
+    QStringList keyList;
+    for ( int j = 0; j < replacementCount; j++ ) {
+        int pos = key.indexOf(regx);
+        int len = regx.matchedLength();
+        QString blk = key.mid(pos+1, len-2);
+        keyList += key.mid(0, pos);
+        keyList += ""; // value placeholder
+        key.remove(0, pos + regx.matchedLength());
+        QStringList lst = blk.split(":");
+        quint16 id = lst[0].toUInt();
+        quint16 ix = lst[1].toUInt();
+        QString ex = lst[2]         ;
+        quint16 rd = lst[3].toUInt();
+        Q_UNUSED(vGroup);
+        TLocation loc;
+        loc.group    = vGroup       ;
+        loc.alarmID  = vAlarmID     ;
+        loc.index    = vIndex       ;
+        loc.locIndex = j * 2 + 1    ;
+        loc.prmIndex = ix           ;
+        loc.prmExtra = ex           ;
+        loc.prmRound = rd           ;
+
+        _replacements[id] += loc;
+    }
+    keyList  += key;
+
+    return keyList;
+}
+
+/*!
+ * \brief   VSettings::onActionReceive
+ * \details emits didActionReceive signal to notify other classes (Gui)
+ *          , an action has been received.
+ * \param   vAction -  the action
+ * \param   vData   -  the action data
+ */
+void VAlarmStatus::onActionReceive (GuiActionType vAction, const QVariantList &vData)
+{
+    bool isChanged = false;
+    quint16 id = qFromBigEndian((quint16)vAction);
+    quint32 alarmID;
+    if (_replacements.contains(id)) {
+        isChanged = true;
+        for ( const auto &item : _replacements[id]) {
+            QString   value;
+
+            quint16 len = vData.length();
+
+            if ( 0 < item.prmIndex && item.prmIndex <= len ) {
+                if ( item.prmRound > 0 ) {
+                    value = QString::number(vData[item.prmIndex - 1].toFloat(), 'f', item.prmRound) + item.prmExtra;
+                }
+                else {
+                    value = vData[item.prmIndex - 1].toString() + item.prmExtra;
+                }
+            }
+            else {
+                qDebug() << QString("Given prmIndex %1 is out of message %2 parameters count %3 on alarm id '%4'")
+                              .arg(item.prmIndex).arg(id).arg(len).arg(item.alarmID);
+                continue;
+            }
+
+            // update alarm instruction step
+            alarmID = item.alarmID;
+            QStringList step = _alarms[alarmID].instructions[item.index][eRole_Instruction].toStringList();
+            step[item.locIndex] = value;
+            _alarms[alarmID].instructions[item.index][eRole_Instruction] = step;
+        }
+    }
+
+    if ( isChanged )  emit alarm_AlarmIDChanged(alarmID);
+}