diff --git a/oem/ibm/libpldmresponder/file_io_by_type.hpp b/oem/ibm/libpldmresponder/file_io_by_type.hpp
index 779eaef..b8621f5 100644
--- a/oem/ibm/libpldmresponder/file_io_by_type.hpp
+++ b/oem/ibm/libpldmresponder/file_io_by_type.hpp
@@ -75,6 +75,9 @@
                                  uint32_t offset, uint32_t& length,
                                  uint64_t address);
 
+    virtual int transferFileData(int fd, bool upstream, uint32_t offset,
+                                 uint32_t& length, uint64_t address);
+
     /** @brief Constructor to create a FileHandler object
      */
     FileHandler(uint32_t fileHandle) : fileHandle(fileHandle)