diff --git a/extensions/openpower-pels/data_interface.hpp b/extensions/openpower-pels/data_interface.hpp
index 3fb4e1c..5b6ff94 100644
--- a/extensions/openpower-pels/data_interface.hpp
+++ b/extensions/openpower-pels/data_interface.hpp
@@ -210,6 +210,22 @@
         return _motherboardCCIN;
     }
 
+    /**
+     * @brief Get the fields from the inventory necessary for doing
+     *        a callout on an inventory path.
+     *
+     * @param[in] inventoryPath - The item to get the data for
+     * @param[out] locationCode - Filled in with the  location code
+     * @param[out] fruPartNumber - Filled in with the VINI/FN keyword
+     * @param[out] ccin - Filled in with the VINI/CC keyword
+     * @param[out] serialNumber - Filled in with the VINI/SN keyword
+     */
+    virtual void getHWCalloutFields(const std::string& inventoryPath,
+                                    std::string& locationCode,
+                                    std::string& fruPartNumber,
+                                    std::string& ccin,
+                                    std::string& serialNumber) const = 0;
+
   protected:
     /**
      * @brief Sets the host on/off state and runs any
@@ -369,6 +385,21 @@
                      const std::string& interface, const std::string& property,
                      DBusValue& value) const;
 
+    /**
+     * @brief Get the fields from the inventory necessary for doing
+     *        a callout on an inventory path.
+     *
+     * @param[in] inventoryPath - The item to get the data for
+     * @param[out] locationCode - Filled in with the  location code
+     * @param[out] fruPartNumber - Filled in with the VINI/FN keyword
+     * @param[out] ccin - Filled in with the VINI/CC keyword
+     * @param[out] serialNumber - Filled in with the VINI/SN keyword
+     */
+    void getHWCalloutFields(const std::string& inventoryPath,
+                            std::string& locationCode,
+                            std::string& fruPartNumber, std::string& ccin,
+                            std::string& serialNumber) const override;
+
   private:
     /**
      * @brief Reads the BMC firmware version string and puts it into