diff --git a/platform-mc/terminus_manager.hpp b/platform-mc/terminus_manager.hpp
index c37d74d..c4c8914 100644
--- a/platform-mc/terminus_manager.hpp
+++ b/platform-mc/terminus_manager.hpp
@@ -154,6 +154,15 @@
         return localEid;
     }
 
+    /** @brief Helper function to invoke registered handlers for
+     *  updating the availability status of the MCTP endpoint
+     *
+     *  @param[in] mctpInfo - information of the target endpoint
+     *  @param[in] availability - new availability status
+     */
+    void updateMctpEndpointAvailability(const MctpInfo& mctpInfo,
+                                        Availability availability);
+
   private:
     /** @brief Find the terminus object pointer in termini list.
      *
@@ -258,6 +267,9 @@
 
     /** @brief local EID */
     mctp_eid_t localEid;
+
+    /** @brief MCTP Endpoint available status mapping */
+    std::map<MctpInfo, Availability> mctpInfoAvailTable;
 };
 } // namespace platform_mc
 } // namespace pldm