diff --git a/lib/resource.robot b/lib/resource.robot
index f5d0d81..e8b5ccf 100755
--- a/lib/resource.robot
+++ b/lib/resource.robot
@@ -33,6 +33,9 @@
 ${OPENBMC_ADMIN_PASSWORD}  0penBmc
 ${SERVICE_USER_PASSWORD}   0penBmc
 
+# For users priviledge admin or sudo.
+${USER_TYPE}          ${EMPTY}
+
 ${CHASSIS_ID}  chassis
 ${COMPONENT_NAME_OF_POWER_SUPPLY}  powersupply