diff --git a/include/IpmbSensor.hpp b/include/IpmbSensor.hpp
index f142a5a..6467b57 100644
--- a/include/IpmbSensor.hpp
+++ b/include/IpmbSensor.hpp
@@ -75,7 +75,12 @@
 } // namespace me_bridge
 } // namespace ipmi
 
-struct IpmbSensor : public Sensor
+using IpmbMethodType =
+    std::tuple<int, uint8_t, uint8_t, uint8_t, uint8_t, std::vector<uint8_t>>;
+
+struct IpmbSensor :
+    public Sensor,
+    public std::enable_shared_from_this<IpmbSensor>
 {
     IpmbSensor(std::shared_ptr<sdbusplus::asio::connection>& conn,
                boost::asio::io_service& io, const std::string& name,
@@ -115,6 +120,9 @@
     ReadingFormat readingFormat = ReadingFormat::byte0;
 
   private:
+    void sendIpmbRequest(void);
     sdbusplus::asio::object_server& objectServer;
     boost::asio::steady_timer waitTimer;
+    void ipmbRequestCompletionCb(const boost::system::error_code& ec,
+                                 const IpmbMethodType& response);
 };