diff --git a/user_channel/channel_layer.hpp b/user_channel/channel_layer.hpp
index eaf631c..0fefe2e 100644
--- a/user_channel/channel_layer.hpp
+++ b/user_channel/channel_layer.hpp
@@ -14,6 +14,7 @@
 // limitations under the License.
 */
 #pragma once
+#include <array>
 #include <ipmid/api.hpp>
 #include <string>
 
@@ -25,6 +26,11 @@
 static constexpr uint8_t invalidChannel = 0xff;
 
 /**
+ * @array of privilege levels
+ */
+extern const std::array<std::string, PRIVILEGE_OEM + 1> privList;
+
+/**
  * @enum IPMI return codes specific to channel (refer spec se 22.22 response
  * data)
  */