Added comments to changes of Mark Sutton

Trigger/TrigMonitoring/TrigBjetMonitoring/TrigBjetMonitoring/HLTBjetMonTool.h

@@ -70,7 +70,7 @@ class HLTBjetMonTool : public IHLTMonTool {
       "The SG key of the online BJet container from the TriggerEDMRun3"};
 
   SG::ReadHandleKey<xAOD::VertexContainer> m_offlineVertexContainerKey {this,"OfflineVertexContainerName","PrimaryVertices","Key of offline primary vertexes"};
-  SG::ReadHandleKey<xAOD::VertexContainer> m_onlineVertexContainerKey {this,"OnlineVertexContainerName","HLT_IDVertex_FS","Key of online bjet primary vertexes"};
+  SG::ReadHandleKey<xAOD::VertexContainer> m_onlineVertexContainerKey {this,"OnlineVertexContainerName","HLT_IDVertex_FS","Key of online bjet primary vertexes"}; // MS 290620
   SG::ReadHandleKey<xAOD::TrackParticleContainer> m_onlineTrackContainerKey {this,"OnlineTrackContainerName","HLT_IDTrack_Bjet_IDTrig","Key of online tracks of bjets"};
 
   ToolHandle<Trig::TrigDecisionTool> m_trigDec; //!

Trigger/TrigMonitoring/TrigBjetMonitoring/src/HLTBjetMonTool.cxx

@@ -1085,7 +1085,7 @@ StatusCode HLTBjetMonTool::book(){
 	  if (ijet == 0) {
 	    std::string vtxname = m_onlineVertexContainerKey.key();
 	    if ( vtxname.find("HLT_")==0 ) vtxname.erase(0,4);
-	    auto vertexLinkInfo = TrigCompositeUtils::findLink<xAOD::VertexContainer>(jetLinkInfo.source, vtxname ); // CV 200120
+	    auto vertexLinkInfo = TrigCompositeUtils::findLink<xAOD::VertexContainer>(jetLinkInfo.source, vtxname ); // CV 200120 & MS 290620
 	    ATH_CHECK( vertexLinkInfo.isValid() ) ; // TM 200120
 	    const xAOD::Vertex* vtx = *(vertexLinkInfo.link);
 	    ATH_MSG_DEBUG("        PVz_jet from jet link info: " << vtx->z());

Trigger/TrigMonitoring/TrigBjetMonitoring/src/TrigBjetMonitorAlgorithm.cxx

@@ -373,7 +373,7 @@ StatusCode TrigBjetMonitorAlgorithm::fillHistograms( const EventContext& ctx ) c
 	      std::string vtxname = m_onlineVertexContainerKey.key();
 	      if ( vtxname.find("HLT_")==0 ) vtxname.erase(0,4);
 
-	      auto vertexLinkInfo = TrigCompositeUtils::findLink<xAOD::VertexContainer>(jetLinkInfo.source, vtxname ); // CV 200120
+	      auto vertexLinkInfo = TrigCompositeUtils::findLink<xAOD::VertexContainer>(jetLinkInfo.source, vtxname ); // CV 200120 & MS 290620
 	      ATH_CHECK( vertexLinkInfo.isValid() ) ; // TM 200120
 	      const xAOD::Vertex* vtx = *(vertexLinkInfo.link);
 	      NameH = "PVz_jet_"+trigName;

Trigger/TrigMonitoring/TrigBjetMonitoring/src/TrigBjetMonitorAlgorithm.h

@@ -31,7 +31,7 @@ class TrigBjetMonitorAlgorithm : public AthMonitorAlgorithm {
   std::vector<std::string> m_allChains;
   SG::ReadHandleKey<xAOD::MuonContainer> m_muonContainerKey;
   SG::ReadHandleKey<xAOD::VertexContainer> m_offlineVertexContainerKey {this,"OfflineVertexContainerName","PrimaryVertices","Key of offline primary vertexes"};
-  SG::ReadHandleKey<xAOD::VertexContainer> m_onlineVertexContainerKey {this,"OnlineVertexContainerName","HLT_IDVertex_FS","Key of online bjet primary vertexes"};
+  SG::ReadHandleKey<xAOD::VertexContainer> m_onlineVertexContainerKey {this,"OnlineVertexContainerName","HLT_IDVertex_FS","Key of online bjet primary vertexes"}; // MS 290620
   SG::ReadHandleKey<xAOD::TrackParticleContainer> m_onlineTrackContainerKey {this,"OnlineTrackContainerName","HLT_IDTrack_Bjet_IDTrig","Key of online tracks of bjets"};
 
   ToolHandle<Trig::TrigDecisionTool> m_trigDec; //!