diff --git a/daemon/fw/forwarder.hpp b/daemon/fw/forwarder.hpp
index 8c6f1df..084c2af 100644
--- a/daemon/fw/forwarder.hpp
+++ b/daemon/fw/forwarder.hpp
@@ -182,6 +182,17 @@
     m_csFromNdnSim = cs;
   }
 
+public:
+  /** \brief trigger before PIT entry is satisfied
+   *  \sa Strategy::beforeSatisfyInterest
+   */
+  signal::Signal<Forwarder, pit::Entry, Face, Data> beforeSatisfyInterest;
+
+  /** \brief trigger before PIT entry expires
+   *  \sa Strategy::beforeExpirePendingInterest
+   */
+  signal::Signal<Forwarder, pit::Entry> beforeExpirePendingInterest;
+
 PUBLIC_WITH_TESTS_ELSE_PRIVATE: // pipelines
   /** \brief incoming Interest pipeline
    */
@@ -299,6 +310,7 @@
   StrategyChoice     m_strategyChoice;
   DeadNonceList      m_deadNonceList;
   NetworkRegionTable m_networkRegionTable;
+  shared_ptr<Face>   m_csFace;
 
   ns3::Ptr<ns3::ndn::ContentStore> m_csFromNdnSim;