diff --git a/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/python/TrigTRTHTHhypoTool.py b/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/python/TrigTRTHTHhypoTool.py
index df977cd24ee999043326ba85f748984faa7beff6..b3a9dc620c1e48d07270b7963af985ebf5abfed6 100644
--- a/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/python/TrigTRTHTHhypoTool.py
+++ b/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/python/TrigTRTHTHhypoTool.py
@@ -1,9 +1,16 @@
 # Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
 
 from TrigTRTHighTHitCounter.TrigTRTHighTHitCounterConf import TrigTRTHTHhypoTool
+from AthenaMonitoringKernel.GenericMonitoringTool import GenericMonitoringTool, defineHistogram
 
 def _IncTool(name):
     
+    monTool = GenericMonitoringTool("MonTool_"+name)
+    monTool.Histograms = [ defineHistogram('HTRatioRoad', type='TH1F', path='EXPERT', title="TrigTRTHTH Hypo HTRatioRoad", xbins=10, xmin=0.0, xmax=0.9),
+                           defineHistogram('HTRatioWedge', type='TH1F', path='EXPERT', title="TrigTRTHTH Hypo HTRatioWedge", xbins=10, xmin=0.0, xmax=0.9),
+                           defineHistogram('TRTHTHitsRoad', type='TH1F', path='EXPERT', title="TrigTRTHTH Hypo TRTHTHitsRoad", xbins=100, xmin=0, xmax=100),
+                           defineHistogram('TRTHTHitsWedge', type='TH1F', path='EXPERT', title="TrigTRTHTH Hypo TRTHTHitsWedge", xbins=100, xmin=0, xmax=100),]
+
     tool = TrigTRTHTHhypoTool( name ) 
     tool.AcceptAll = False
     tool.MinTRTHTHitsRoad = 20
@@ -11,7 +18,9 @@ def _IncTool(name):
     tool.MinTRTHTHitsWedge = 30
     tool.MinHTRatioWedge = 0.4
     tool.DoWedge = True
-    tool.DoRoad = False 
+    tool.DoRoad = False
+    monTool.HistPath = 'TrigTRTHTHhypo/'+tool.getName()
+    tool.MonTool = monTool 
     return tool
 
 def TrigTRTHTHhypoToolFromDict( d ):
diff --git a/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/src/TrigTRTHTHhypoTool.cxx b/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/src/TrigTRTHTHhypoTool.cxx
index 0ea79792c7cc77072655d6d2f02bb16f71b08722..4750788417e7ab1eb15663c57d7cd52cb44522f7 100644
--- a/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/src/TrigTRTHTHhypoTool.cxx
+++ b/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/src/TrigTRTHTHhypoTool.cxx
@@ -3,7 +3,7 @@
 */
 
 #include "TrigTRTHTHhypoTool.h"
-
+#include "AthenaMonitoringKernel/Monitored.h"
 #include "TrigCompositeUtils/TrigCompositeUtils.h"
 
 namespace TCU = TrigCompositeUtils;
@@ -25,6 +25,12 @@ StatusCode TrigTRTHTHhypoTool::initialize()  {
 bool TrigTRTHTHhypoTool::decide( const ITrigTRTHTHhypoTool::RNNOutputInfo& input ) const {
 
   bool pass = false;
+
+  auto fHT_road         = Monitored::Scalar( "HTRatioRoad", -1. ); 
+  auto fHT_wedge        = Monitored::Scalar( "HTRatioWedge", -1. );
+  auto trththits_road   = Monitored::Scalar( "TRTHTHitsRoad"   , -1.0 );
+  auto trththits_wedge  = Monitored::Scalar( "TRTHTHitsWedge", -1.0 );
+  auto monitorIt        = Monitored::Group( m_monTool, fHT_road, fHT_wedge, trththits_road, trththits_wedge);
   
   if( m_acceptAll ){
     pass=true;
@@ -42,10 +48,10 @@ bool TrigTRTHTHhypoTool::decide( const ITrigTRTHTHhypoTool::RNNOutputInfo& input
 
   //Parse the vector to assign fHT and nHT appropriately
 
-  float fHT_road = vec.at(1);
-  float fHT_wedge = vec.at(3);
-  float trththits_road = vec.at(0);
-  float trththits_wedge = vec.at(2);
+  fHT_road = vec.at(1);
+  fHT_wedge = vec.at(3);
+  trththits_road = vec.at(0);
+  trththits_wedge = vec.at(2);
 
   ATH_MSG_DEBUG ( "trththits_road: " << trththits_road);
   ATH_MSG_DEBUG ("m_minTRTHTHitsRoad in hypotool: "<<m_minTRTHTHitsRoad);
diff --git a/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/src/TrigTRTHTHhypoTool.h b/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/src/TrigTRTHTHhypoTool.h
index 74e665cd303d326a4f5a3d2e4d0795bb2a99ea80..1d488ea6e929bfece03b729882e41796f2705b08 100644
--- a/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/src/TrigTRTHTHhypoTool.h
+++ b/Trigger/TrigAlgorithms/TrigTRTHighTHitCounter/src/TrigTRTHTHhypoTool.h
@@ -6,6 +6,7 @@
 
 #include "AthenaBaseComps/AthAlgTool.h"
 #include "TrigCompositeUtils/HLTIdentifier.h"
+#include "AthenaMonitoringKernel/GenericMonitoringTool.h"
 
 #include "ITrigTRTHTHhypoTool.h"
 
@@ -38,6 +39,8 @@ class TrigTRTHTHhypoTool : public extends<AthAlgTool, ITrigTRTHTHhypoTool> {
   Gaudi::Property< bool > m_doWedge { this, "DoWedge", true , "Bins of eta" };
   Gaudi::Property< bool > m_doRoad { this, "DoRoad", false , "Bins of eta" };
 
+  ToolHandle< GenericMonitoringTool >   m_monTool{ this, "MonTool", "", "Monitoring tool" };
+
 };
 #endif