diff --git a/presence/json_parser.hpp b/presence/json_parser.hpp
index 38c76b9..857a2f8 100644
--- a/presence/json_parser.hpp
+++ b/presence/json_parser.hpp
@@ -52,7 +52,6 @@
 
     /**
      * Constructor
-     * Parses and populates the fan presence policies from a json file
      *
      * @param[in] bus - sdbusplus bus object
      */
@@ -75,6 +74,15 @@
     void sighupHandler(sdeventplus::source::Signal& sigSrc,
                        const struct signalfd_siginfo* sigInfo);
 
+    /**
+     * @brief Parses and populates the fan presence policies from
+     *        the json file and then starts the actual presence
+     *        detecting.
+     *
+     * @param[in] confFile - The conf file name to use
+     */
+    void start(const std::string& confFile);
+
   private:
     /* Fan presence policies */
     static policies _policies;