diff --git a/phosphor-power-sequencer/src/ucd90320_monitor.hpp b/phosphor-power-sequencer/src/ucd90320_monitor.hpp
index ce6af97..d7b66ad 100644
--- a/phosphor-power-sequencer/src/ucd90320_monitor.hpp
+++ b/phosphor-power-sequencer/src/ucd90320_monitor.hpp
@@ -6,9 +6,18 @@
 #include <sdbusplus/bus.hpp>
 #include <sdbusplus/bus/match.hpp>
 
+#include <filesystem>
+#include <vector>
+
 namespace phosphor::power::sequencer
 {
 
+struct Pin
+{
+    std::string name;
+    int line;
+};
+
 /**
  * @class UCD90320Monitor
  * This class implements fault analysis for the UCD90320
@@ -51,16 +60,42 @@
     sdbusplus::bus::match_t match;
 
     /**
+     * List of pins
+     */
+    std::vector<Pin> pins;
+
+    /**
      * The read/write interface to this hardware
      */
     pmbus::PMBus pmbusInterface;
 
     /**
+     * List of rail names
+     */
+    std::vector<std::string> rails;
+
+    /**
      * Finds the list of compatible system types using D-Bus methods.
      * This list is used to find the correct JSON configuration file for the
      * current system.
      */
     void findCompatibleSystemTypes();
+
+    /**
+     * Finds the JSON configuration file.
+     * Looks for a configuration file based on the list of compatible system
+     * types.
+     * Throws an exception if an operating system error occurs while checking
+     * for the existance of a file.
+     * @param[in] compatibleSystemTypes List of compatible system types
+     */
+    void findConfigFile(const std::vector<std::string>& compatibleSystemTypes);
+
+    /**
+     * Parse the JSON configuration file.
+     * @param[in] pathName the path name
+     */
+    void parseConfigFile(const std::filesystem::path& pathName);
 };
 
 } // namespace phosphor::power::sequencer