diff --git a/src/item_updater.hpp b/src/item_updater.hpp
index e07aca8..885847a 100644
--- a/src/item_updater.hpp
+++ b/src/item_updater.hpp
@@ -163,6 +163,15 @@
      */
     void removePsuObject(const std::string& psuInventoryPath);
 
+    /** @brief Add PSU inventory path to the PSU status map
+     *  @details Also adds PropertiesChanged listeners for the inventory path so
+     *           we are notified when the present or model properties change.
+     *           Does nothing if the inventory path already exists in the map.
+     *
+     * @param[in]  psuPath - The PSU inventory path
+     */
+    void addPsuToStatusMap(const std::string& psuPath);
+
     /**
      * @brief Create and populate the active PSU Version.
      */