diff --git a/softoff/softoff.hpp b/softoff/softoff.hpp
index 93dfb26..dcb4b18 100644
--- a/softoff/softoff.hpp
+++ b/softoff/softoff.hpp
@@ -19,15 +19,41 @@
     public:
         /** @brief Constructs SoftPowerOff object.
          *
-         *  @param[in] bus       - system dbus handler
-         *  @param[in] objPath   - The Dbus path that hosts SoftPowerOff function
+         *  @param[in] bus      - system dbus handler
+         *  @param[in] objPath  - The Dbus path that hosts SoftPowerOff function
          */
         SoftPowerOff(sdbusplus::bus::bus& bus,
                      const char* objPath) :
-            sdbusplus::server::object::object<Base::SoftPowerOff>(bus, objPath)
+            sdbusplus::server::object::object<
+                Base::SoftPowerOff>(bus, objPath),
+                bus(bus)
         {
-            // Nothing to do here
+            // The whole purpose of this application is to send SMS_ATTN
+            // and watch for the soft power off to go through. We need the
+            // interface added signal emitted before we send SMS_ATN just to
+            // attend to lightning fast response from host
+            sendSMSAttn();
         }
+
+    private:
+        /** @brief Sends SMS_ATN to host to initiate soft power off process.
+         *
+         *  After sending the SMS_ATN, starts a watchdog timer for 30
+         *  seconds and expects a initial response from the host.
+         *  After receiving the initial response, starts another watchdog
+         *  timer for 30 minutes to let host do a clean shutdown of
+         *  partitions. When the second response is received from the
+         *  host, it indicates that BMC can do a power off.
+         *  If BMC fails to get any response, then a hard power off would
+         *  be forced.
+         *
+         *  @return - Does not return anything. Error will result in exception
+         *            being thrown
+         */
+        void sendSMSAttn();
+
+        /* @brief sdbusplus handle */
+        sdbusplus::bus::bus& bus;
 };
 } // namespace ipmi
 } // namespace phosphor