diff --git a/phosphor-power-supply/psu_manager.hpp b/phosphor-power-supply/psu_manager.hpp
index f3bba27..d3d101a 100644
--- a/phosphor-power-supply/psu_manager.hpp
+++ b/phosphor-power-supply/psu_manager.hpp
@@ -47,13 +47,18 @@
                const std::string& configfile);
 
     /**
-     * @brief Initialize the system properties and PowerSupply objects from
-     *        the JSON config file.
+     * @brief Initialize the PowerSupply objects from the JSON config file.
      * @param[in] path - Path to the JSON config file
      */
     void getJSONProperties(const std::string& path);
 
     /**
+     * @brief Initialize the system properties from the Supported Configuration
+     *        D-Bus object provided by Entity Manager.
+     */
+    void getSystemProperties();
+
+    /**
      * Initializes the manager.
      *
      * Get current BMC state, ...
@@ -163,6 +168,9 @@
     /** @brief Used to subscribe to D-Bus power on state changes */
     std::unique_ptr<sdbusplus::bus::match_t> powerOnMatch;
 
+    /** @brief Used to subscribe to Entity Manager interfaces added */
+    std::unique_ptr<sdbusplus::bus::match_t> entityManagerIfacesAddedMatch;
+
     /**
      * @brief Callback for power state property changes
      *
@@ -173,6 +181,15 @@
     void powerStateChanged(sdbusplus::message::message& msg);
 
     /**
+     * @brief Callback for supported configuration interface added
+     *
+     * Process the information from the supported configuration interface
+     *
+     * @param[in] msg - Data associated with the interfaces added signal
+     */
+    void supportedConfIfaceAdded(sdbusplus::message::message& msg);
+
+    /**
      * @brief Adds properties to the inventory.
      *
      * Reads the values from the devices and writes them to the associated