diff --git a/phalerror/create_pel.hpp b/phalerror/create_pel.hpp
index b80b642..b123a5a 100644
--- a/phalerror/create_pel.hpp
+++ b/phalerror/create_pel.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <nlohmann/json.hpp>
 #include <sdbusplus/bus.hpp>
 #include <string>
 #include <vector>
@@ -22,12 +23,101 @@
 namespace pel
 {
 using FFDCData = std::vector<std::pair<std::string, std::string>>;
+
+using json = nlohmann::json;
+
 /**
  * Create boot error PEL
  *
  * @param[in] ffdcData - failure data to append to PEL
+ * @param[in] calloutData - callout data to append to PEL
  */
-void createBootErrorPEL(const FFDCData& ffdcData);
+void createBootErrorPEL(const FFDCData& ffdcData, const json& calloutData);
+
+/**
+ * @class FFDCFile
+ * @brief This class is used to create ffdc data file and to get fd
+ */
+class FFDCFile
+{
+  public:
+    FFDCFile() = delete;
+    FFDCFile(const FFDCFile&) = delete;
+    FFDCFile& operator=(const FFDCFile&) = delete;
+    FFDCFile(FFDCFile&&) = delete;
+    FFDCFile& operator=(FFDCFile&&) = delete;
+
+    /**
+     * Used to pass json object to create unique ffdc file by using
+     * passed json data.
+     */
+    explicit FFDCFile(const json& pHALCalloutData);
+
+    /**
+     * Used to remove created ffdc file.
+     */
+    ~FFDCFile();
+
+    /**
+     * Used to get created ffdc file file descriptor id.
+     *
+     * @return file descriptor id
+     */
+    int getFileFD() const;
+
+  private:
+    /**
+     * Used to store callout ffdc data from passed json object.
+     */
+    std::string calloutData;
+
+    /**
+     * Used to store unique ffdc file name.
+     */
+    std::string calloutFile;
+
+    /**
+     * Used to store created ffdc file descriptor id.
+     */
+    int fileFD;
+
+    /**
+     * Used to create ffdc file to pass PEL api for creating
+     * pel records.
+     *
+     * @return NULL
+     */
+    void prepareFFDCFile();
+
+    /**
+     * Create unique ffdc file.
+     *
+     * @return NULL
+     */
+    void createCalloutFile();
+
+    /**
+     * Used write json object value into created file.
+     *
+     * @return NULL
+     */
+    void writeCalloutData();
+
+    /**
+     * Used set ffdc file seek position begining to consume by PEL
+     *
+     * @return NULL
+     */
+    void setCalloutFileSeekPos();
+
+    /**
+     * Used to remove created ffdc file.
+     *
+     * @return NULL
+     */
+    void removeCalloutFile();
+
+}; // FFDCFile end
 
 } // namespace pel
 } // namespace openpower