diff --git a/extensions/phal/phal_error.hpp b/extensions/phal/phal_error.hpp
index 734d6f2..c05ed06 100644
--- a/extensions/phal/phal_error.hpp
+++ b/extensions/phal/phal_error.hpp
@@ -57,6 +57,14 @@
 void processSbeBootError();
 
 /**
+ * @brief Process Guard Partition Access Error
+ *
+ * This function is used process access error related to guard partition during
+ * boot. It collects the traces and create a PEL
+ */
+void processGuardPartitionAccessError();
+
+/**
  * @brief Reset trace log list
  */
 void reset();